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Shyam01 Sundar
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Asked: 2025-01-23T04:34:09+00:00 In:

In a simple microscope a convex lens of focal length 5 cm is used. Calculate the magnifying power when the object is placed at the focus of the lens.

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When object is placed at focus of microscope lens, its magnified image is formed at infinity and
magnifying power m = D/f = 25cm/5cm = 5.
Class 12 Physics NCERT Sample Paper Question Session 2024-2025.

calculate the magnifying powerclass 12 physicsncert sample paper question
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    1 Answer

    1. For a simple microscope, when the object is at the lens’s focus, the magnifying power (
      M) is given by:

      M = 1 + D/f
      where D = 25cm (near point) and f = 5 cm.
      M = 1 + 25/5 = 6
      Thus, the magnifying power is 6.

      For more visit here:
      https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

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