Question

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)

• A. Increase the wave length of the light
• B. Increase the refractive index of the medium between the object and objective lens
• C. Decrease the focal length of the eye piece
• D. Decrease the diameter of the objective lens

Answer 1

Answer: (B)

$P=\frac{2\mu \sin \theta }{1.22\lambda }$