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An object is placed at a distance of 60cm from concave mirror, length and focus is 30cm . Use the lens formulato find the distance

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An object is placed at a distance of 60cm from concave mirror, length and focus is 30cm . Use the lens formula to find the distance

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Object distance, u= -60 cm Focal length of the concave lens, f= -30 cm Using lens formula,

The image will be formed at a distance of 20 cm in front of the lens.

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