. A microscope is focused on a point object and then its objective is raised through a height of 2cm. If a glass slab of refractive index 1.5 is placed


A microscope is focused on a point object and then its objective is raised through a height of 2cm. If a glass slab of
refractive index 1.5 is placed over this point object such that it is focused again, the thickness of the glass slab is :

  • (A):6 cm
  • (B):3 cm
  • (C):2 cm
  • (D):1.5 cm

Best Answer

Correct Answer:

(A): 6 cm

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