A person standing on the floor of an elevator drops a coin. The coin reaches the floor of the elevator in a time $t_{1}$ if the elevator is stationary and in time $t_{2}$ if it is moving uniformly. Then (depending on whether the lift is going up or down.)

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

t_{1} = t_{2}

t_{1} < t_{2}

t_{1} > t_{2}

t_{1} < t_{2} or t_{1} > t_{2}

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

As the elevator is moving at uniform speed, it's the acceleration is zero, so, no pseudo force. Thus it can not affect the motion of the coin. Thus in both cases, the coin takes the same time.

Hence, $t_{1} = t_{2}$

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!