EM Waves

Electromagnetic Waves can travel through empty space and matter

• True

• False

Which of the following does not cause electromagnetic waves to form?

• when an electric charge is speeding up

• when an electric charge is slowing down

• when an electric charge is changing its direction

• when an electric charge is not moving

Hertz is the unit of measurement of which quantity?

• amplitude

• frequency

• wavelength

• wave speed

Which of the following waves has the longest wavelength?

• gamma rays

• visible light

• microwaves

• ultraviolet rays

Which of the following waves has the lowest frequency

• microwaves

• gamma rays

• visible light

• ultraviolet rays

Which of the following regions of the EM spectrum cannot be detected by the human eye?

• infrared rays

• x-rays

• visible light

• radio waves

Light waves are the same as pigments

• True

• False

Which of the following colors have the highest frequency?

• yellow

• green

• blue

• violet

Which list of EM waves is in the correct order from highest to lowest frequency?

• gamma rays, radio waves, infrared rays, microwaves

• ultraviolet rays, gamma rays, x-rays, visible light

• visible light, infrared rays, microwaves, radio waves

• x-rays, gamma rays, ultraviolet rays, visible light

Which colors do we perceive from objects?

• The color that was absorbed by the object

• The color that was reflected by the object

• The color that passed through an object

• The color that we like the most