Easy MCQ +4 / -1 PYQ · JEE Mains 2023

A scientist is observing a bacteria through a compound microscope. For better analysis and to improve its resolving power he should. (Select the best option)

  1. A Decrease the focal length of the eye piece.
  2. B Increase the wave length of the light
  3. C Increase the refractive index of the medium between the object and objective lens Correct answer
  4. D Decrease the diameter of the objective lens

Solution

<p>Resolving power of microscope $= \left( {{{2n\sin \theta } \over \lambda }} \right)$</p> <p>$n\sin \theta$ = Numerical aperture</p> <p>$n$ is the refractive index of medium.</p>

About this question

Subject: Physics · Chapter: Optics · Topic: Reflection and Mirrors

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