Physics · Light and Optics
How does a simple periscope work in a submarine? Consider the following statements: (A) Light from an object strikes the top mirror at 45° and bounces off at the same angle to the lower mirror so that a person can see the view outside. (B) Light from the lower mirror enters the top mirror at 90° and bounces off at 90° to make the view visible. (C) Its working is based on the laws of reflection. (D) Its working is based on the laws of refraction.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A) and (C)✓
- 2(C) and (D)
- 3(B) and (C)
- 4(A) and (B)
Correct answer
(A) and (C)
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