Ch. 27 Light Review

The full spectrum of light energy is called the__________

• broad spectrum
• electromagnetic spectrum
• helium spectrum 
• natural light spectrum

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What is the source of electromagnetic waves?

• Accelerating Electric Charges

• Particle Theory

• Photons

True or False: Light sometimes acts as a wave and sometimes as a particle.

• True

• False

Tags

NGSS.HS-PS4-3

Why is light from a common lamp or from a candle flame nonpolarized?

Materials that transmit light are....

• Objects

• Transparent

• Opaque

• Metallic

Tags

NGSS.MS-PS4-2

Ultraviolet rays from the sun can cause sunburn and skin damage. What is the wavelength of ultraviolet rays that have a frequency of 8.6 x 10¹⁴ Hz?

Tags

NGSS.HS-PS4-1

A penumbra casts a ___________ shadow.

Tags

NGSS.5-ESS1-2

Which of the following is glass NOT transparent to:

• Infrared

• Visible Light

• Ultraviolet

Tags

NGSS.HS-PS4-4

The speed of light in water compared to in air is....

• Faster

• The Same

• Slower

• Negligible

Tags

NGSS.HS-PS4-1

What makes metals shiny in appearance?

• Low inertia reemits light

• Gamma rays reemit light

• Free electrons reemit light

• Photons reemit light

Tags

NGSS.HS-PS4-3