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Q.

Is it true that a convex lens with a short focal length causes more bending of light rays passing through it?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
The refractive index of a material describes how much of it can bend light. The light bends more when the power is greater. With a short focal length, a convex lens will have more power and a higher refraction. Mathematically, the refractive index can be represented as n=c/v, where n is the refractive index, c is the speed of light in vacuum, v is the speed of light in a specific medium.
 
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