0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The least distance of distinct vision is 25 cm. If the focal length of a convex lens is 10 cm, it acts as a simple microscope with maximum magnification of
  1. 3.5
  2. 5
  3. 2.5
  4. 3

A
3.5
B
5
C
3
D
2.5
Solution
Verified by Toppr

For a simple microscope, the magnification M is given by 1+Df where D is least distance of distinct vision.

M=1+2510=3.5

Answer. (C) 3.5

Was this answer helpful?
0
Similar Questions
Q1
The least distance of distinct vision is 25 cm. If the focal length of a convex lens is 10 cm, it acts as a simple microscope with maximum magnification of
View Solution
Q2
A simple microscope consists of a concave lens of power 10D and a convex lens of power 15 D. Its magnification at near point is
(least distance of distinct vision, D = 25 cm)

View Solution
Q3
The least distance of distinct vision is 25cm. The focal length of a convex lens of a simple microscope is 5 cm. Its magnifying power if the image is at near point
View Solution
Q4
A concave lens of focal length 5 cm is used as a simple microscope. The image is formed at the least distance of distinct vision. Calculated the angular magnification.
View Solution
Q5
The convex lens used in a simple microscope produces a magnification of 5. The image is formed at the least distance of distinct vision. What is the focal length of the lens?
View Solution