Q.1pat ka answer 2nd.3rd

Dear Student, you can find the CG PAT previous year question and answer below. 

Q3. The magnifying power of a compound microscope is 20 and the distance between its two lenses is 30 cm when the final image is at the near point of the eye. If the focal length of the eyepiece is 6.25 cm the focal length of the objective lens is

A. 2.5 cm

B. 3.5 cm

C. 4.5 cm

D. 5.0 cm

Ans. C (4.5 cm)