A person standing on the floor of an elevator drops a coin. The coin reaches the floor in time t1 if the elevator is at rest and in time t2 if the elevator is moving uniformly. Then
1
t1 > t2
2
t1 = t2
3
t1 < t2 or t1 > t2 depending upon whether the lift is going up or down
4
t1 < t2