Electromagnetic Spectrum Quiz

As the frequency of a wave increases, its wavelength

• Increases

• Remains the same

• Decreases

• Is unaffected by frequency

Which of the following correctly describes the relationship between wavelength and frequency?

• Wavelength and frequency are directly proportional

• Wavelength and frequency are inversely proportional

• Wavelength and frequency have no relationship

• Wavelength is independent of frequency

If the wavelength of a wave doubles, what happens to its frequency?

• It doubles

• It remains the same

• It halves

• It becomes zero

What happens to the frequency of a wave if its wavelength is decreased by half?

• Frequency doubles

• Frequency remains unchanged

• Frequency is halved

• Frequency becomes zero

In the electromagnetic spectrum, which of the following waves has the longest wavelength?

• Gamma rays

• Frequency becomes zero

• X-rays

• Radio waves

Which of the following technologies primarily uses radio waves?

• X-ray machines

• MRI scanners

• Television broadcast

• Microwave ovens

Microwaves are commonly used in:

• Radio broadcasting

• Producing visible light

• Cooking food

• Remote control

Which electromagnetic wave is used in remote controls for televisions and air conditioners?

• Radio waves

• Infrared

• Ultraviolet rays

• Gamma rays

What type of electromagnetic wave is used to detect broken bones in medical imaging?

• Gamma rays

• Microwaves

• X-rays

• Ultraviolet rays

Which of the following best describes the use of ultraviolet light in everyday life?

• Sterilizing medical equipment

• Detecting sound

• Providing heat in homes

• Cooking food