Question

Which of the following statements about electromagnetic waves, sound waves and water waves is/are correct?
1. They exhibit reflection
2. They carry energy
3. They exert pressure
4. They can travel in vacuum
Select the correct answer using the code given below:

• A. 1, 2 and 3
• B. 2 and 4
• C. 1 and 3 only
• D. 1 only

Answer 1

The correct option is A 1, 2 and 3

All are simple facts except 4th since sound waves are mechanical waves and they can't travel in vacuum .