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Naitik
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Asked: 2021-05-03T13:22:29+00:00 In:

A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

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25.28%(a) 15 ( 45 voters )
13.48%(b) 20 ( 24 voters )
11.24%(c) 30 ( 20 voters )
50%(d) 0 ( 89 voters )
Based On 178 Votes

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NCERT Important Questions Class 10 Science physics Chapter 10
Important NCERT Extra Questions
Chapter 10 Light – Reflection and Refraction
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board

2020-2021cbsechapter 10class10light – reflection and refractionncertphysicsscience
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