MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

A normal eye is not able to see objects closer than because :
(a)focal length of eye-lens is
(b)the distance of the retina from eye-lens is ,
(c)eye cannot shorten the distinct between the lens and the eye more than a limiting value,
(d)eye cannot reduce the focal length of its lens more than a limiting value.

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Important Questions on Human Eye and Optical Instruments
HARD
12th West Bengal Board
IMPORTANT
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12th West Bengal Board
IMPORTANT
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MEDIUM
12th West Bengal Board
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12th West Bengal Board
IMPORTANT
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12th West Bengal Board
IMPORTANT
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MEDIUM
12th West Bengal Board
IMPORTANT
Write W for the incorrect statements and R for the correct ones:
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MEDIUM
12th West Bengal Board
IMPORTANT
Write W for the incorrect statements and R for the correct ones:
Concave lenses are used to remedy long-sight defect and convex lens for short- sight defect.
