IPC Waves Review 20-21

What does infrared mean?

• lower frequency than red light

• higher frequency than red light

• higher frequency than violet light

• lower frequency than violet light

What does ultraviolet mean?

• lower frequency than red light

• higher frequency than red light

• higher frequency than violet light

• lower frequency than violet light

What is a particle of light also known as?

• a proton

• an electron

• a neutron

• a photon

Which of these has the longest wavelength?

• red light

• radio waves

• gamma rays

• microwaves

Which of these has the highest frequency?

• red light

• radio waves

• gamma rays

• microwaves

Which of these increases when frequency increases on the electromagnetic spectrum?

• wavelength

• energy

• wave speed

• amplitude

When trying to spear a fish in water, a person needs to take into account the way light bends as it moves from water into the air. The bending of light as it passes from one medium into another is known as ---

• Reflection

• Refraction

• Diffraction

• Polarization

Which of these is most likely to cause skin cancer?

• Infrared waves

• U V rays

• Radio waves

• Red light

Which of these is a dangerous form of ionizing radiation produced by nuclear reactions?

• red light

• radio waves

• gamma rays

• microwaves

Which of these describes the spreading of a light wave around an obstacle?

• Refining

• Refraction

• Reflection

• Diffraction