Skip to content

Waves, Lines, Radiation, And Frequency

Routes equations connecting electric waves, propagation, light, transmission lines, and frequency.

354

candidate records in this family.

169

reviewable relation candidates.

9

sources represented.

These are OCR candidates. They remain plain text until a reviewer checks the scan and promotes the formula into a curated math page.

#1Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7531
Priority OCR formula candidatepi = 6li = kli, (7)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#2General Lectures on Electrical EngineeringLecture 6: Higher Harmonics Of The Generator Wave- line 3222
Priority OCR formula candidateIf m == number of phases, the higher harmonics : 2m - i
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#3General Lectures on Electrical EngineeringLecture 7: High Frequency Oscillations And Surges- line 3624
Priority OCR formula candidate2g3 QQQ = ^ seconds; the frequency 587 cycles, and if this
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#4Radiation, Light and IlluminationLecture 9: Measurement Of Light And Radiation- line 8720
Priority OCR formula candidateL -T- S = x2 -T- 7/2, where x and y are the two distances of the
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#5Theoretical Elements of Electrical EngineeringTheory Section 1: Magnetism and Electric Current- line 822
Priority OCR formula candidateline carrying 7 amperes of current, if Id = 0.82 cm. is the diam-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#6Four Lectures on Relativity and SpaceLecture 2: Conclusions From The Relativity Theory- line 1458
Priority OCR formula candidate1. Since x’i’ has relative to xi the velocity f, it is, for a;’ = 0:ax - bt = 0,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#7Four Lectures on Relativity and SpaceLecture 2: Conclusions From The Relativity Theory- line 2202
Priority OCR formula candidatebe V = Vi -{- V2 = 1.8c, or greater than the velocity of
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#8Four Lectures on Relativity and SpaceLecture 2: Conclusions From The Relativity Theory- line 2249
Priority OCR formula candidatevelocity V2, it is Xi = v^h, and substituting this in the
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#9General Lectures on Electrical EngineeringLecture 7: High Frequency Oscillations And Surges- line 3633
Priority OCR formula candidateas for instance, lOO feet = ^230 ~ 52^ miles wave length,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#10General Lectures on Electrical EngineeringLecture 7: High Frequency Oscillations And Surges- line 3728
Priority OCR formula candidatei5ioo + ^ + n^ + Wo = ^ -ond, so giving a
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#11Radiation, Light and IlluminationLecture 1: Nature And Different Forms Of Radiation- line 859
Priority OCR formula candidatelw = 60 microcentimeters,* that is, 60 X 10~8 cm. (or about
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#12Radiation, Light and IlluminationLecture 1: Nature And Different Forms Of Radiation- line 860
Priority OCR formula candidate^<y^<5-<y in.) and since the speed is S = 3 X 1010 cm. the frequency
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#13Radiation, Light and IlluminationLecture 1: Nature And Different Forms Of Radiation- line 978
Priority OCR formula candidatemotions of very high speed, S = 3 X 1010 cm. per sec. in a hypo-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#14Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1674
Priority OCR formula candidatemedium TF, only the distance CK = - 2 GH, and the wave front
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#15Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1690
Priority OCR formula candidateand a2 = angle of refraction, that is, the angle between the out-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#16Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1703
Priority OCR formula candidateFH + DL = S, - S3; (2)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#17Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1750
Priority OCR formula candidateS = -L= , (5)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#18Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1785
Priority OCR formula candidateVl = d*-, (9)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#19Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1790
Priority OCR formula candidateSince for most media the permeability /JL = 1, for all except
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#20Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2827
Priority OCR formula candidateZ0 = 51.1, bluish green for very low intensity, curve (a).
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#21Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2828
Priority OCR formula candidateZ0 = 53.7, yellowish green for medium intensity, curve (b).
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#22Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 3976
Priority OCR formula candidatePr = kA (TV - ?V), (1)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#23Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 3981
Priority OCR formula candidatek = 5 X 1(T12; (2)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#24Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 3997
Priority OCR formula candidatePr = kA (T, - T2) (TV + T*T2 + 7\7y + 7y);
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#25Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4000
Priority OCR formula candidatePr = 4 kAT* (T, - T), (3)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#26Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4016
Priority OCR formula candidatestationary air A^ reaches values as high as fct = 25 X 10~12 to
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#27Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4027
Priority OCR formula candidatePr = kATf; (4)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#28Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4186
Priority OCR formula candidateP- f °°P (lw)dlw = Mr-1;
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#29Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4205
Priority OCR formula candidatelmT =- = 0.284;
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#30Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4674
Priority OCR formula candidatek = bk0 = (1 - a) fcc,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#31Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4703
Priority OCR formula candidateCurve II, for albedo a = 0.3, has the height 1 - a = 0.7 times
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#32Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4715
Priority OCR formula candidateconstant 1 - a = 0.4 times that of the black body. Colored
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#33Radiation, Light and IlluminationLecture 7: Flames As Illuminants- line 6953
Priority OCR formula candidatea = 4, corresponding to a non-luminous flame, as observed. In
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#34Radiation, Light and IlluminationLecture 7: Flames As Illuminants- line 6956
Priority OCR formula candidateatoms is a = 2.8, or b = 30, corresponding to a luminous non-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#35Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7199
Priority OCR formula candidateintersect in a point which lies at I = - 0.125 cm. = - 0.05 in.
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#36Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7201
Priority OCR formula candidateconsists of a part, e0 = 30 (for the magnetite arc), which is con-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#37Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7237
Priority OCR formula candidateconstant value of current: el = k^ (I + 0.12), as function of
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#38Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7241
Priority OCR formula candidateei = TT1-’ (1
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#39Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7295
Priority OCR formula candidatewhich is equation (1), and herefrom, since e = e0 + eir follows
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#40Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7311
Priority OCR formula candidatek = 31 for magnetite (123 in inch measure),
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#41Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7336
Priority OCR formula candidatee0 = 36 volts, but I, = - 0.8 cm. = - 0.33 in.; that is, a
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#42Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7419
Priority OCR formula candidatepart. With a series resistance of r = 10 ohms, a 1.8-cm. mag-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#43Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7535
Priority OCR formula candidatee = e0 + ev
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#44Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7547
Priority OCR formula candidatee0 = 13 volts ; k = -y-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#45Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7735
Priority OCR formula candidateL = k’li, (9)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#46Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7739
Priority OCR formula candidateei = p] (10)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#47Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7743
Priority OCR formula candidatee=e0 + ^ (11)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#48Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7764
Priority OCR formula candidateL = - (pVi - ejVi), (13)
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#49Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7808
Priority OCR formula candidatei = 4: e = 75 volts, and I + l^ = 0.73 in., or about f-in. arc
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#50Radiation, Light and IlluminationLecture 9: Measurement Of Light And Radiation- line 9232
Priority OCR formula candidate10 deg. gives d = - - TT. This usually is done graphically.
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#51Theoretical Elements of Electrical EngineeringTheory Section 3: Generation of E.m.f.- line 1214
Priority OCR formula candidate50%Q = 8.33 rev. per sec. Thus the frequency is/ = 4 X 8.33
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#52Theoretical Elements of Electrical EngineeringTheory Section 4: Power and Effective Values- line 1420
Priority OCR formula candidate#o = E X \/2 = 273 volts per line;
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#53Theory and Calculation of Alternating Current PhenomenaChapter 1: Introduction- line 1231
Priority OCR formula candidatethe period of the wave, or N = 1 / T is the frequency or
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#54Theory and Calculation of Electric CircuitsChapter 3: Magnetism- line 5812
Priority OCR formula candidateBelow ff = 3, p is not a straight line, but curved, due to the in-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#55Theory and Calculation of Electric CircuitsChapter 3: Magnetism- line 5814
Priority OCR formula candidatestraight-line law is reached at the point Ci, at ff = 3, and the re-
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#56Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1657
Priority OCR formula candidateLet then Sl = speed of propagation in medium A, S2 = speed of
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#57Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 4179
Priority OCR formula candidatewhere a = 5 for normal temperature radiation or black body
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#58Radiation, Light and IlluminationLecture 8: Arc Lamps And Arc Lighting- line 7368
Priority OCR formula candidatepoint, at zero arc length, or e0’ = 28 volts. This looks as if, of
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#59General Lectures on Electrical EngineeringLecture 7: High Frequency Oscillations And Surges- line 3679
Priority OCR formula candidate- ’ - = 25,000. If now somewhere in the middle of this
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#60Radiation, Light and IlluminationLecture 4: Chemical And Physical Effects Of Radiation- line 3701
Priority OCR formula candidateand these free atoms then join existing molecules: 0 + 02 = 03,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#61Theory and Calculation of Alternating Current PhenomenaChapter 5: Symbouc Mbthod- line 3039
Priority OCR formula candidate29. If /= / +ji’ is a sine wave of alternating current,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#62Four Lectures on Relativity and SpaceLecture 2: Conclusions From The Relativity Theory- line 1600
Reviewable OCR relationappear as L = 0, that is, would vanish, while at a velocity
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#63Four Lectures on Relativity and SpaceLecture 2: Conclusions From The Relativity Theory- line 2200
Reviewable OCR relationwith the same velocity, but in opposite direction, V2 = 0.9c.
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#64Radiation, Light and IlluminationLecture 1: Nature And Different Forms Of Radiation- line 1303
Reviewable OCR relationZero point chosen at c = 128 cycles per second.
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#65Radiation, Light and IlluminationLecture 1: Nature And Different Forms Of Radiation- line 1304
Reviewable OCR relationSpeed of radiation S = 3 X lu10 cm.
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#66Radiation, Light and IlluminationLecture 2: Relation Of Bodies To Radiation- line 1694
Reviewable OCR relationFDH = a, and LHD = a2 ;
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#67Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2464
Reviewable OCR relation1 to 2, but the change of sensation in the first case, log 1000 = 3,
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#68Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2726
Reviewable OCR relationWave length lw = 67 60.5 57.5 50.5 47 . 43 x 10~fl
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#69Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2729
Reviewable OCR relationtensity … i0 = 0.06 0.0056 0.0029 0.00017 0.00012 0.00012
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#70Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2733
Reviewable OCR relationpower po = 10,000 1000 100 1 2 20
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#71Radiation, Light and IlluminationLecture 3: Physiological Effects Of Radiation- line 2787
Reviewable OCR relationI = 45.0
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.

#72Radiation, Light and IlluminationLecture 5: Temperature Radiation- line 3972
Reviewable OCR relationtor and T2 = absolute temperature of the surrounding objects
Why this is not rendered automatically

This line is OCR/PDF-derived candidate text. Treat it as a pointer to the source scan, not as a verified mathematical transcription.