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Saanvi Talwar
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Asked: 2020-10-20T12:10:32+00:00 In:

Find the focal length of a lens of power – 2.0 D. What type of lens is this?

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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-186
Questions No-16

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

      Power of a lens, P = 1/f (in meters)
      P = -2 D
      f = -1/2 = -0.5m
      A concave lens has a negative focal length. Hence, it is a concave lens.

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

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