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Which of the following graph represents ...

Which of the following graph represents v/f vs u/f graph for a virtual erect image by a diverging lens?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
For virtual erect image by diverging lens.
u , vand f are negative
`therefore (u)/(f) = +ve and (v)/(f) = + ve`
`(1)/(f) = (1)/(v) - (1)/(u) , 1 = (f)/(v) - (f)/(u) , (1)/(y) = (1)/(x) + 1`
`y = (x)/(x + 1)` since x and y are positive , graph lies in first quadrant. Also , at x = 0 , y = 0 and at x = `oo` , y = 1
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