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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 is 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

a)

b)

10 m/s

c)

15 m/s

d)



Question ID - 152732 | SaraNextGen Top Answer

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 is 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

a)

b)

10 m/s

c)

15 m/s

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

But      

127 votes


127