Electromagnetic Radiation Quiz

What was the common belief about matter and energy before the 20th century?

• Energy was considered a particle.

• They were thought to be distinct from each other.

• Matter was thought to be a wave.

• They were considered the same.

What is the speed of electromagnetic waves in space?

• 3 x 10^8 meters per second

• 5 x 10^8 meters per second

• 7 x 10^8 meters per second

• 9 x 10^8 meters per second

Which of the following is NOT a type of electromagnetic radiation?

• Gamma rays

• Microwaves

• X-rays

• Sound waves

What symbol is used to represent wavelength?

• Delta

• Sigma

• Lambda

• Nu

How is the energy of a wave calculated?

• E = mc^2

• E = hf

• E = mv^2

• E = kT

What happens to energy and frequency as wavelength decreases?

• Energy increases, frequency decreases

• Energy decreases, frequency increases

• Both decrease

• Both increase

Which type of electromagnetic wave has the longest wavelength?

• Ultraviolet

• Radio waves

• X-rays

• Gamma rays

What type of electromagnetic wave is used in night vision goggles?

• Infrared

• Ultraviolet

• Microwaves

• Radio waves

Which electromagnetic wave is commonly used for medical imaging?

• Microwaves

• Radio waves

• X-rays

• Infrared

What type of electromagnetic radiation is emitted by the sun and can cause sunburn?

• Gamma rays

• Ultraviolet

• Microwaves

• Infrared