NDA 2018 Physics 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 3Correct
• (B)2 and 4
• (C)1 and 3 only
• (D)1 only