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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