1.

A plane mirror is approaching you at a speed of \[10\,cm/sec\]You can see your image in it. At what speed will your image approach you                                                                  [CPMT 1974]

A.            \[10cm/sec\]                       
B.            \[5cm/sec\]
C.            \[20cm/sec\]                       
D.            \[15cm/sec\]
Answer» D.            \[15cm/sec\]


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