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CBSE Class 10 Answered

is the centre of curvature of lens equal to twice the focal length
Asked by vasundhra | 18 Dec, 2013, 02:30: PM
answered-by-expert Expert Answer
Radius of curvature of a lens is not equal to twice the focal length.
Answered by | 18 Dec, 2013, 11:14: PM

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CBSE 10 - Physics
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The image of a candle flame placed at a distance of 30 cm from a spherical lens is formed on a screen placed at a distance of 60 cm from the lens. If the height of the flame is 2.4 cm,find the height of its image 
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