Question

Which of the following options is/are correct :

• A. A mechanical wave requires a medium
• B. A non-mechanical wave requires a medium
• C. A transverse wave can be either mechanical or non-mechanical
• D. Light is a non-mechanical wave

Answer 1

Answer: (A), (C), (D)

The correct options are
A A mechanical wave requires a medium
C A transverse wave can be either mechanical or non-mechanical
D Light is a non-mechanical wave

A mechanical wave is the one, which requires a medium wheareas a non-mechanical wave is the one which doesn't require a medium for propagation. Light is a transverse non- mechanical wave.