A point source of light is moving at a rate of `2 cm-s^(-1)` towards a thin convex lens of focal length 10 cm along its optical axis. When the source is 15 cm away from the lens the image is moving at -A. `4 cm-s^(-1)` towards the lensB. `8 cm-s^(-1)` towards the lensC. `4 cm-s^(-1)` away from the lensD. `8 cm-s^(-1)` away from the lens

A point source of light is moving at a rate of `2 cm-s^(-1)` towards a

1.	A point source of light is moving at a rate of `2 cm-s^(-1)` towards a thin convex lens of focal length 10 cm along its optical axis. When the source is 15 cm away from the lens the image is moving at -A. `4 cm-s^(-1)` towards the lensB. `8 cm-s^(-1)` towards the lensC. `4 cm-s^(-1)` away from the lensD. `8 cm-s^(-1)` away from the lens
Answer» Correct Answer - D

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