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When a concave mirror is placed facing the sun, the sun rays converge to a point 15 cm from the mirror. Now, an erect, 2 cm long pin is placed 30 cm away on the principal axis of the mirror. Where should a card be placed so that the image of the pin can be taken on the card and what would be the nature and the height of the image? |
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Answer» When a concave mirror is placed facing the sun, the sun rays converge to a point 15 cm from the mirror. Now, an erect, 2 cm long pin is placed 30 cm away on the principal axis of the mirror. Where should a card be placed so that the image of the pin can be taken on the card and what would be the nature and the height of the image? |
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