10. Assertion : If a concave mirror is kept in water, its focal length decreases.
Reason : Focal length of concave mirror is independent of the refractive index of the medium used
Answers
Answered by
0
Answer:
both assertion and reason are wrong
Explanation:
focal length of a concave mirror doesn't depend on the medium.
Answered by
3
Answer:
Assertion is wrong but reason is right.
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