Ch. 4 Electromagnetic Waves

Which model of light helps explain the photoelectric effect?

• the wave model

• the polarizing model

• the particle model of light

• the electromagnetic model

Tags

NGSS.HS-PS4-3

Which electromagnetic waves have the longest wavelengths and lowest frequencies?

• infrared waves

• radio waves

• gamma rays

• ultraviolet rays

Tags

NGSS.HS-PS4-1

The electromagnetic waves with the highest frequencies are called

• radio waves.

• gamma rays.

• X-rays.

• visible light.

The range of electromagnetic waves placed in a certain order is called the

• electromagnetic spectrum.

• electromagnetic wavelength.

• electromagnetic frequency.

• electromagnetic field.

Which waves have some electrical properties and some magnetic properties?

• longitudinal waves

• transverse waves

• mechanical waves

• electromagnetic waves

Tags

NGSS.HS-PS4-3

Electromagnetic waves can transfer energy without a(n)

• medium.

• electric field.

• magnetic field.

• change in either a magnetic or an electric field.

Tags

NGSS.HS-PS4-3

In a vacuum, all electromagnetic waves have the same

• wavelength.

• speed.

• frequency.

• amplitude.

Tags

NGSS.HS-PS4-1

Radio waves carry information from a broadcasting station to your radio or television.

• True

• False

Tags

NGSS.HS-PS4-5

Electromagnetic waves are classified as longitudinal waves.

• True

• False

Tags

NGSS.HS-PS4-3

A thermogram identifies the warm and cool parts of an object by using ____________________.

• infrared rays

• visible light

• ultraviolet rays

• radio waves

Tags

NGSS.MS-PS4-2