Know about X-rays
X-rays are electromagnetic waves which have a very short wavelength. It was first discovered by a German scientist Roentgen. X-rays are used in medical fields, research fields and also in many industries. Some of the main uses of X-rays are it is used to detect tumors in a human body and it is used to study the structure of alloys, etc.,.Now with this introduction it is time for you to take the quiz.