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Question 1
Concave lens is also known as
Question 2
Directions: Answer the following questions by selecting the most appropriate option.
The lens used to rectify long sight is
Question 3
The power of a lens “——-“
Question 4
A lens is immersed in a fluid, whose refractive index is higher than the refractive index of the lens. In such a case -
Question 5
Which type of lens is used in microscope?
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Sep 22CDS & Defence
