A light beam having a wavelength of 470 nm in air is directed into glycerine at an angle of 75.0° with the normal in air
Glycerine has a refractive index of 1.47. (c = 3.0 × 108 m/s)
(a) What are the frequency and wavelength of the light in the glycerine?
(b) What angle does the light beam make with the normal in the glycerine?
(a) 6.38 × 1014 Hz, 320 nm (b) 41.1°
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A spaceship traveling at constant speed passes by Earth and later passes by Mars. In which frame of reference is the amount of time separating these two events the proper time?
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The total radiant power emitted by a blackbody is proportional to its _________________ raised to the fourth power
Fill in the blank(s) with correct word
In a double slit experiment, a beam of electrons strikes a pair of slits. The slits are 15 ?m apart, and the first interference maximum lies at an angle of 0.50 µrad from the center of the interference pattern
What is the momentum of the incoming electrons? (h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg) A) 4.4 × 10-23 kg ? m/s B) 2.2 × 10-23 kg ? m/s C) 1.1 × 10-23 kg ? m/s D) 6.6 × 10-23 kg ? m/s E) 8.8 × 10-23 kg ? m/s
Explain why stars displaying spectral lines of molecules must be relatively cool
What will be an ideal response?