A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8 m behind the first car is overtaking the first car at a relative speed of 15 m/s. The speed of the image of the second car as seen in the mirror of the first one is - VgyanHub

Question:

A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8 m behind the first car is overtaking the first car at a relative speed of 15 m/s. The speed of the image of the second car as seen in the mirror of the first one is

Options :

(a) 1/10 m/s
(b) -1/15 m/s
(c) 10 m/s
(d) 15 m/s

Answer :

(b) -1/15 m/s

Answer Steps :

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