With reference to sound, which of the following statements is/are correct? 1. Sound propagates even in vacuum. 2. Speed of sound is equal in all media. Choose the correct answer.

With reference to sound waves, consider the following statements: 1. Sound waves do not need any medium and can travel in vacuum also. 2. Sound waves are longitudinal waves. 3. In sound wave propagat…

Which one of the following statements about the speed of sound waves is not correct?

Which one of the following statements is true for sound waves propagating in air?

Which one of the following statements about sound is NOT correct?

Which of the following statements is NOT correct regarding the travel of sound waves?