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No, an X-ray is not a mechanical wave. An X-ray is an electromagnetic wave. However, in polar molecules, an X-ray can cause the molecule to vibrate rapidly, just like a microwave oven can.
X-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation.They are packets of energy that have no charge or mass (weight). These packets of energy are known as photons.-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation.