The radius of curvature of a concave mirror is 40 cm. Find position of an object in front of the mirror, so that its real image is two times the size of
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T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download
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T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download
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T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download
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![A uniform meter scale balances at the 40 cm mark when weights of 10 g and 20 g are suspended from the 10 cm and 20 cm marks. The weight of the metre scale is A uniform meter scale balances at the 40 cm mark when weights of 10 g and 20 g are suspended from the 10 cm and 20 cm marks. The weight of the metre scale is](https://dwes9vv9u0550.cloudfront.net/images/8665810/786bb5b9-05bf-4a8a-81a3-6c9cfad53d5a.jpg)
A uniform meter scale balances at the 40 cm mark when weights of 10 g and 20 g are suspended from the 10 cm and 20 cm marks. The weight of the metre scale is
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