A light wave traveling in air strikes a plane mirror surface at an angle of 30° relative to the normal. The wave is reflected at an angle of
a. 30° relative to the surface.
b. 30° relative to the normal.
c. 60° relative to the normal.
d. none of these.
b
You might also like to view...
Explain Mercury's peculiar rotation and revolution. How is it different than most other planets?
What will be an ideal response?
An innocent mosquito is flying along the interstate and has a collision with a speeding semi. Which one experiences a greater change in momentum?
A. The mosquito B. The semi C. They both experience the same change in momentum D. There is no change in momentum
The mass of the Moon is 7.4 × 1022 kg, its radius is 1.74 × 103 km, and it has no atmosphere. What is the free-fall acceleration at the surface of the Moon? (G = 6.67 × 10-11 N ? m2/kg2)
A) 2.8 × 106 m/s2 B) 9.8 m/s2 C) 4.9 m/s2 D) 1.6 m/s2 E) 0.80 m/s2
A source emits sound at a fixed constant frequency f.If you run towards the source, the frequency you hear is lower than f
a. True b. False Indicate whether the statement is true or false