The Nature of Light: Ultraviolet Rays, X-rays, and Gamma Rays

The video tutorial explains different types of rays in the electromagnetic spectrum, focusing on ultraviolet rays, X-rays, and gamma rays. It discusses how ultraviolet rays cause sunburn and the importance of protection. X-rays are used in medical imaging due to their ability to penetrate soft tissue but not bones. Gamma rays, with the highest energy, can cause severe illness with prolonged exposure.

Which type of rays are responsible for causing sunburn?

• Ultraviolet rays

• Gamma rays

• Infrared rays

• Microwaves

What is a common use of X-rays in the medical field?

• Detecting sound waves

• Measuring blood pressure

• Creating images of bones

• Treating skin conditions

What happens to X-rays when they encounter bones?

• They scatter in all directions

• They pass through bones

• They are absorbed by bones

• They reflect off bones

Which type of rays have the shortest wavelength and highest frequency?

• Microwaves

• Ultraviolet rays

• Gamma rays

• Radio waves

What is a potential health risk of prolonged exposure to gamma rays?

• Mild skin irritation

• Severe illness

• Temporary blindness

• Hearing loss