An object is placed at a distance from 10 from the concave lens its focal length is 20 cm find the distance from the lens
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Answer:
centre if curvature=2×f=20cm
as the object is placed at centre of curvature so the image will be formed at the same position and of the same size
so
position= 20cm in front of mirror and size is 6 cm
Explanation:
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Answer:
20-(-10)
=30
Explanation:
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