WBCS.LIVE practice question

Assertion (A) Sound waves cannot propagate in vacuum. Reason (R) Sound waves are elastic waves and require a medium to propagate.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
  2. If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.
  3. Assertion is true but Reason is false.
  4. If both Assertion is false but Reason is true.

Correct answer and explanation

Correct answer: If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.