Q: Which one of the following statements about X-rays is not correct?
(a)X-rays are longitudinal waves.
(b)X-rays are transverse waves.
(c)X-rays are electromagnetic waves.
(d)X-rays do not require a medium to propagate.
Correct Answer: (a)
The correct answer is (c) 'X-rays are electromagnetic waves.'. This question from the Science & Technology domain tests knowledge of Physics.