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GUJCET · Physics · Ray Optics and Optical Instruments

If in compound microscope objective with focal length 1.0 cm, eyepiece with focal length 2.0 cm, tube length of 20 cm and near point for an observer is 25 cm. Then value of magnification of compound microscope will be ___________.

  1. A 2.5
  2. B 250
  3. C 25
  4. D 2500
Verified Solution

Answer & Solution

Correct Answer

(B) 250

Step-by-step Solution

Detailed explanation

\(M = \frac{L}{f_o} \times \frac{D}{f_e}\) \(M = \frac{20}{1.0} \times \frac{25}{2.0}\)