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Divit malik
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Asked: 2020-10-20T12:12:17+00:00 In:

A spherical mirror and a thin spherical lens have each a focal length of –15 cm. The mirror and the lens are likely to be

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77.78%(a) both concave. ( 7 voters )
22.22%(b) both convex. ( 2 voters )
0%(c) the mirror is concave and the lens is convex.
0%(d) the mirror is convex, but the lens is concave.
Based On 9 Votes

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NCERT Solution for Class 10 Science Chapter 10
Heredity and Evolution
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-185
Questions No-4

2020-2021cbsechapter 10class10light – reflection and refractionncertscience
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    1 Answer

    1. (a) both concave
      By convention, the focal length of a concave mirror and a concave lens are taken as
      negative. Hence, both the spherical mirror and the thin spherical lens are concave in
      nature.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-10/

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