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Q: A student measured the magnification of a spherical lens and a spherical mirror. He found that both are +3.0. He would conclude that :
  • A. The lens and the mirror both are convex
  • B. The lens and the mirror both are concave
  • C. The lens is concave but the mirror is convex
  • D. The lens is convex but the mirror is concave
Correct Answer: Option D - A student measured the magnification of a spherical lens and a spherical mirror. He found that both are +3.0. He would conclude that the lens is convex but the mirror is concave.
D. A student measured the magnification of a spherical lens and a spherical mirror. He found that both are +3.0. He would conclude that the lens is convex but the mirror is concave.

Explanations:

A student measured the magnification of a spherical lens and a spherical mirror. He found that both are +3.0. He would conclude that the lens is convex but the mirror is concave.