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A converging lens is used to form an ima...

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

A

half the image will disappear

B

complete image will disappear

C

intensity of water will decrease

D

intensity of water will increase

Text Solution

Verified by Experts

The correct Answer is:
C

Image formed is complete but has decrease intensity.
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NCERT FINGERTIPS-RAY OPTICS AND OPTICAL INSTRUMENTS-Reflection At Spherical Surfaces And By Lenses
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