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Physics
A man runs towards a mirror at a speed of 15 m/s. The speed of the image relative to the man is
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Q. A man runs towards a mirror at a speed of $15\, m/s$. The speed of the image relative to the man is
Ray Optics and Optical Instruments
A
$15\, ms ^{-1}$
29%
B
$30\, ms ^{-1}$
61%
C
$35\, ms ^{-1}$
6%
D
$20\, ms ^{-1}$
3%
Solution:
Relative velocity of image w.r.t. man
$=15-(-15)=30 \, m / s$
