The critical angle for an air-glass interface is 42.6°. A light ray in air hits the interface, and the reflected ray is 100% polarized. What is the angle of refraction for that ray?
A) 47.4°
B) 55.9°
C) 24.3°
D) 65.7°
E) 34.1°
E
Physics & Space Science
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The resistance to relative motion of two bodies in contact with each other is called __________
Fill in the blank(s) with correct word
Physics & Space Science
An observer moving with a light clock in a spaceship sees a light flash bouncing up and down between parallel mirrors in 1 nanosecond. An observer at rest outside the spaceship sees the same up-and-down flash in
A) 1 nanosecond also. B) less than 1 nanosecond. C) more than 1 nanosecond.
Physics & Space Science
Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a proton is 938.3 MeV/c2)
Physics & Space Science
Most meteors come from pieces of comets
a. True b. False Indicate whether the statement is true or false
Physics & Space Science