Which of the following statements is false?
a. The angle ? in Snell's law is measured between the ray and a line perpendicular to the surface.
b. Photons of blue light have a higher energy than photons of red light

c. A photon's energy depends on its brightness.
d. The ratio v/? of a photon's speed to its wavelength has the same value for any index of refraction n.


c

Physics & Space Science

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A satellite is in a circular parking orbit 6.98 × 106 m from the center of Earth. To initiate a Hohmann transfer, a rocket gives it an accelerating thrust so that its speed is increased to 8300 m/s

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The distance to the sun is about 150 million km. Expressed in powers of ten, this is

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Physics & Space Science

In a transformer, the power input

A) is larger than the power output. B) is equal to the power output. C) is smaller than the power output. D) can be either larger or smaller than the power output.

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