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Subject :NSO    Class : Class 6

The less dark part of the shadow around a dark shadow is known as ________ and ________ is dark part of the shadow that does not receive any light. The size of umbra _________ and penumbra _________ as we shift the screen away from the object.

A Penumbra, umbra decreases and increases
B Umbra, Penumbra, decreases and increases
C Umbra, Penumbra, increases and decreases
D Penumbra, umbra, remains same, decreases


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