When the beams from the headlights of a car fall on a object __________ and _______ formed , Umbra, Point source , Penumbra, Extended source , Umbra, Penumbra , __________ source of light which forms only umbra region , Umbra , Point , Extended , The dark part is referred as , Umbra , Penumbra , The faint part is referred as , Penumbra , Umbra , Without moving the extended source and object (Small) , moving the screen after sometime which part will be disappear , Umbra , Penumbra , In which source of light we can see both penumbra and umbra , Point source of light , Extended source of light .
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LIGHT
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