Question: What is the concept of time dilation in special relativity?

Options:

1. Time moves faster for objects in motion.
2. Time moves slower for objects in motion.
3. Time is the same for all observers.
4. Time can be reversed.

Correct Answer: Time moves slower for objects in motion.

Solution:

Time dilation is a phenomenon in special relativity where time is observed to move slower for an object in motion relative to a stationary observer.