Science, asked by vishalbhatnagarak561, 7 months ago

observe the picture given in figure carefuly. A patch of light is drained at B, when the torch is lighted as shown. Which of the following is kept at posistion A to get this patch of light​
give reason

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Answered by Anonymous
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observe the picture given in figure carefuly. A patch of light is drained at B, when the torch is lighted as shown. Which of the following is kept at posistion A to get this patch of light

give reason

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