A simple microscope consists of a concave lens of power 
D and a convex lens of power +20D in contact. If the image is formed at infinity, then the magnifying power
cm is
a)
2.5
b)
3.5
c)
2.0
d)
3.0
A simple microscope consists of a concave lens of power D and a convex lens of power +20D in contact. If the image is formed at infinity, then the magnifying power
cm is
a)
2.5
b)
3.5
c)
2.0
d)
3.0
Question ID - 152799 | SaraNextGen Top Answer
A simple microscope consists of a concave lens of power D and a convex lens of power +20D in contact. If the image is formed at infinity, then the magnifying power
cm is
a)
2.5
b)
3.5
c)
2.0
d)
3.0
|
A simple microscope consists of a concave lens of power
|
|||||||
|
a) |
2.5 |
b) |
3.5 |
c) |
2.0 |
d) |
3.0 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a) Power of combination
For image at infinity
|
m =10 cm
127 votes
Answer Link
127