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Asked: 2020-12-25T09:52:01+00:00 In:

Power of the lens is-40, its focal length is

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Poll Results

5%a) 4m ( 8 voters )
4.38%b) -40m ( 7 voters )
87.5%c) -0.25m ( 140 voters )
3.13%d) 25 m ( 5 voters )
Based On 160 Votes

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NCERT Solutions for Class 10 Science Chapter 10
Important Board Questions
Light – Reflection and Refraction
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CBSE Board and UP Board
Multiple Choice Questions
Questions No: 4

2020-2021cbsechapter 10class 10class 10 sciencelight – reflection and refractionncertscience
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    1 Answer

    1. (c) -0.25m

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