Optics

Light always travels in _____ lines.

Which of the following light frequencies travels the fastest in a vacuum? (Select all that apply)

• Infrared

• Visible

• X-rays

• Gamma

Oppositely charged particles will

• Attract

• Repel

• Do nothing

Tags

NGSS.MS-PS2-3

Dimensions for a point source are important.

• True

• False

Total internal reflection only occurs when light tries to travels from a medium with a _____ index to ____ index

• lower to higher

• higher to lower

• same to same

When light travels from a higher index (water) to a lower index (air), light will bend...

• toward the normal

• away from the normal

Tags

NGSS.MS-PS4-2

The height of a wave from the undisturbed state is called

• frequency

• amplitude

• period

• crest

Tags

NGSS.MS-PS4-1

Which type of light has the shortest wavelength?

• Radio

• Gamma

• Infrared

• Visible

Tags

NGSS.HS-PS4-1

The _____ experiment shows that light acts like a particle

• diffraction

• interference

• photoelectric

Tags

NGSS.HS-PS4-3

The period of a wave is

• time between crests

• number of waves per seconds

• height of the wave crests