Multiple choice

Which of the following statements is true regarding sound waves?

  1. Sound waves are longest waves in the spectrum

  2. Their speed in the air is 330 m/sec

  3. These can be polarized

  4. They have the highest density when travel through the vacuum

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Sound Wave's speed in the air is 330 m/sec

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