UPSC Civil Service Exam Questions - Engineering

Q1:

Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will

A move in the same direction

B have in velocity in the ratio of 1 : 2

C move in opposite directions with velocity the ratio of 1: 2

D move in the same direction with velocity the ratio of 1: 2

ANS:D - move in the same direction with velocity the ratio of 1: 2

No answer description is available.