A car of length 3 m moves at a constant velocity 36 km/hr. A man wants to take a photo of side view of the car. The size of the image of the car is 1.5 cm long. The time of exposure  needed for the car to get a clear picture, if the image should not move more than 0.1 mm, is:
(a)	1.5 x 10-3 s	(b)	3 x 10-3 s	(c)	2.8 x 10-3 s	(d)	2 x 10-3 s

Question ID - 154002 | SaraNextGen Top Answer

A car of length 3 m moves at a constant velocity 36 km/hr. A man wants to take a photo of side view of the car. The size of the image of the car is 1.5 cm long. The time of exposure  needed for the car to get a clear picture, if the image should not move more than 0.1 mm, is:
(a)	1.5 x 10-3 s	(b)	3 x 10-3 s	(c)	2.8 x 10-3 s	(d)	2 x 10-3 s