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The real image which is exactly equal to...

The real image which is exactly equal to the size of an object is to be obtained on a screen with the help of a convex glass of focal length 15 cm. For this, what must be in the distance between the object and the screen?

A

15 cm

B

30 cm

C

45 cm

D

60 cm

Text Solution

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The correct Answer is:
B
Keep the object at a distance 2f from the lens.
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