The index of refraction for a given material is directly proportional to the frequency of light
Indicate whether the statement is true or false
TRUE
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What is the amplitude (in meters) of a wave whose displacement is given by y = 50. sin(0.20x + 120t) cm?
A) 0.50 m B) 1.0 m C) 6 m D) 0.20 m E) 10 m
If the scattering angle of the light in Compton's scattering experiment is 90°,
what is the change in the wavelength of the light? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s) A) 1.22 × 10-12 m B) 3.65 × 10-12 m C) 4.85 × 10-12 m D) 2.42 × 10-12 m
Suppose you have three identical lightbulbs, some wire, and a battery. You connect one lightbulb to the battery and take note of its brightness. You add a second lightbulb, connecting it in parallel with the previous lightbulbs, and again take note of the brightness. Repeat the process with the third lightbulb, connecting it in parallel with the other two. As the lightbulbs are added, the
individual currents in the lightbulbs (neglect the battery’s internal resistance) 1.increases. 2.decreases. 3.remains the same. 4.Need more information.
Though Titan has a small mass , it is able to retain an atmosphere because it
a. is very cold. b. is very hot c. has an iron surface. d. attracts gas from the solar wind.