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A plane mirror and an object has speeds ...

A plane mirror and an object has speeds of `5 m//s "and" 10 m//s` respectively. If the motion of mirror and object is along the normlal of the mirror then the speed of image may be:-

A

0m/s

B

10m/s

C

20m/s

D

25m/s

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The correct Answer is:
A, C
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ALLEN-GEOMETRICAL OPTICS-SOME WORKED OUT EXAMPLES
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  13. There is a spherical glass ball of refractive index mu(1) and another ...

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  14. There is a spherical glass ball of refractive index mu(1) and another ...

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  15. Consider a an equilateral prism ABC of glass (mu= (3)/(2)) placed in w...

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