CT Scan is done by using

The correct answer is (d). CT scans use X-rays to create detailed cross-sectional images of the body. The images can be used to diagnose a variety of medical conditions, including cancer, heart disease,

Infrared rays are a type of electromagnetic radiation with wavelengths longer than visible light. They are used in a variety of applications, including night vision, thermal imaging, and cooking.

Ultrasonic waves are a

Visible light is a type of electromagnetic radiation with wavelengths between 380 and 700 nanometers. It is the light that we can see with our eyes.