Quiz about Light Wave Unit Review

Question 1

What is Light?

Accepted Answer

Energy carried by electromagnetic waves

Answer

Energy carried by electricity

Answer

Energy transferred by magnets

Question 2

A type of invisible light that is beyond violet on the spectrum.

Accepted Answer

Ultraviolet light

Answer

Infrared

Answer

Visible Light

Question 3

True or False: Light waves are faster than sound waves.

Accepted Answer

True

Answer

False

Question 4

To take in.

Accepted Answer

absorb

Answer

reflect

Question 5

To give off.

Accepted Answer

emit

Answer

absorb

Question 6

to bounce off without absorbing

Accepted Answer

reflect

Answer

matter

Answer

spectrum

Question 7

The distance from one peak of a wave to the next.

Accepted Answer

Wavelength

Answer

light

Answer

gamma ray

Question 8

The material used in these lights is ___.

Accepted Answer

translucent

Answer

transparent

Answer

opaque

Question 9

A range of wavelengths.

Accepted Answer

spectrum

Answer

Radio waves

Answer

matter

Question 10

Anything that has mass and takes up space.

Accepted Answer

matter

Answer

energy

Answer

light

Question 11

The number of peaks of wave that pass in a second.

Accepted Answer

frequency

Answer

emit

Answer

wavelength

Question 12

The ability to make things move or change.

Accepted Answer

energy

Answer

frequency

Answer

matter

Question 13

The visible spectrum is ____________ of the electromagnetic spectrum.

Accepted Answer

a small part

Answer

a large part

Question 14

A green laser passes through an unknown material. What happened to the energy of the green laser?

Accepted Answer

The material transmitted the energy of the laser

Answer

The material reflected the energy of the laser

Answer

The material absorbed the energy of the laser

Question 15

When placing a straw inside a cup, John observed that the straw appears to be bent. Why does the straw appear to be bent?

Accepted Answer

The light from the Sun was refracted when it changed medium

Answer

The light from the Sun was absorbed by the water and straw

Answer

All of the light from the Sun was reflected off the surface of the water

Question 16

Which of the following are electromagnetic waves?

Accepted Answer

radio waves

Answer

water waves

Answer

sound waves

Question 17

Which waves are visible to the human eye?

Accepted Answer

Visible Light Waves

Answer

Microwaves

Answer

Ultra Violet Waves

Question 18

Why is a digital signal better than an analog signal?

Accepted Answer

Digital signal degradation can be corrected with a computer

Answer

Analog signals do not suffer degradation

Answer

Digital signals do not suffer degradation

Question 19

Why are you not able to hear an explosion in outer space?

Accepted Answer

There is no medium for the sound wave to travel through.

Answer

Not enough C4 (explosives) was used.

Answer

You are not close enough to the explosion

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