A convex lens is placed with a mirror as shown in figure. If the space between them is filled with water is power will
a)
Decrease
b)
Increase
c)
Remain unchanged
d)
Increase or decrease depending on the focal length
A convex lens is placed with a mirror as shown in figure. If the space between them is filled with water is power will
a)
Decrease
b)
Increase
c)
Remain unchanged
d)
Increase or decrease depending on the focal length
Question ID - 152563 | SaraNextGen Top Answer
A convex lens is placed with a mirror as shown in figure. If the space between them is filled with water is power will
a)
Decrease
b)
Increase
c)
Remain unchanged
d)
Increase or decrease depending on the focal length
|
A convex lens is placed with a mirror as shown in figure. If the space between them is filled with water is power will
|
|
|
a) |
Decrease |
|
b) |
Increase |
|
c) |
Remain unchanged |
|
d) |
Increase or decrease depending on the focal length |
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a) The power of the given system is a combination for the positive power of the convex lens, negative power of the plano-concave lens of water and zero power of the plane mirror. Clearly, the power of the system decreases |
127 votes
Answer Link
127