Ray Optics Question 7
Question 7 - 29 January - Shift 2
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) Increase the wave length of the light
(2) Increase the refractive index of the medium between the object and objective lens
(3) Decrease the focal length of the eye piece
(4) Decrease the diameter of the objective lens
Show Answer
Answer: (1)
Solution:
Formula: Resolving Power
$P=\frac{2 \mu \sin \theta}{1.22 \lambda}$
