Assertion `:` Sound waves cannot propagate through vacuum but light waves can.
Reason`:` Sound waves cannot be polarised but light waves can.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reasonb is false
D. If both assertion and reason are false.

Answer

B

Explanation

Both assertion and reason are true but reason is not the correct explanation of assertion. Both the assertion and reason are correct statements but the reason given is not the explanation for the assertion.