Author Question: When a beam of light, which is traveling in glass, strikes an air boundary, there is A) a 90 ... (Read 142 times)

natalie2426 · **on:** Jul 29, 2018

When a beam of light, which is traveling in glass, strikes an air boundary, there is

A)

a 90 phase change in the reflected beam.
B)

no phase change in the reflected beam.
C)

a 180 phase change in the reflected beam.
D)

a 60 phase change in the reflected beam.
E)

a 45 phase change in the reflected beam.

Question 2

The amplitude of a 3.00-kg object in simple harmonic motion is 10.0 m. The maximum speed of the object is 5.00 m/s What is the frequency of simple harmonic motion?

A)

0.500 Hz
B)

2.78 10-2 Hz
C)

2.00 Hz
D)

7.96 10-2 Hz
E)

3.14 Hz