Electromagnetic Spectrum

Question 1

What is the term for the process of making something free from bacteria or other living microorganisms?

Answer 1

Sterilise

Sterilisation is crucial in medical settings to prevent infections.

Question 2

What type of rays are used in medical imaging to penetrate soft tissue and show bones?

Answer 2

X-rays

X-rays are a form of electromagnetic radiation.

Question 3

Which rays are known for their high frequency and are often used in medical applications?

Answer 3

Gamma rays

Gamma rays have the highest energy and frequency in the electromagnetic spectrum.

Question 4

Fill in the blank: _______ are used in remote controls and have shorter wavelengths than microwaves.

Answer 4

Infra red

Infra red are part of the electromagnetic spectrum and are commonly used for communication.

Question 5

What is the range of wavelengths that includes visible light?

Answer 5

Electromagnetic spectrum

The electromagnetic spectrum encompasses all types of electromagnetic radiation.

Question 6

What is the function of gamma rays in the context of medical treatment?

Answer 6

Cancer treatment

Gamma rays are often used to kill cancer cells.

Question 7

True or False: Sunbeds emit ultraviolet radiation.

Answer 7

True

Sunbeds are used for tanning and emit UV rays.

Question 8

What is the term for the part of the electromagnetic spectrum that is visible to the human eye?

Answer 8

Visible light

Visible light is just a small portion of the entire electromagnetic spectrum.

Question 9

Fill in the blank: _______ are devices that capture light to create images.

Answer 9

Cameras

Cameras can use various wavelengths of the electromagnetic spectrum for different types of photography.

Question 10

What type of wavelengths do microwaves have compared to visible light?

Answer 10

Longer wavelengths

Microwaves have longer wavelengths than visible light but shorter than radio waves.