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Last Updated On [03-11-2023]

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 :-

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
5876 Votes
3537

Answer Key : (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



Next Question :

Two plane mirrors are at right angles to each other. A man stands between them and combs his hair with his right hand. In how many of the images will he be seen using his right hand

a)

None

b)

1

c)

2

d)

3


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