Sound and Light Waves Practice Quiz

1.

1 point

Red light carries more energy than blue light.

True

False

2.

1 point

When light is ___________ only certain light that has a certain orientation can be seen.

3.

1 point

What type of waves are light waves?

Transverse

Electromagnetic

Circular

Harmonic

Mechanical

Longitudinal

4.

1 point

When the Doppler effect is happening, does a person who is closer to the source hear a higher or lower frequency?

lower frequency

higher frequency

5.

1 point

What is the index of refraction of a refractive medium if the angle of incidence in air is 40 degrees and the angle of refraction is 29 degrees?

6.

1 point

The index of refraction increases as the speed of the wave in a medium gets closer to the speed of light.

True

False

7.

1 point

The variable p (distance from the object to the lens) is positive when it is a virtual image in back of the lens.

True

False

8.

1 point

All electromagnetic waves travel at the same speed?

True

False

9.

1 point

A measure of how high or low a sound is perceived to be is _______.

pitch

frequency

tone

wavelength

10.

1 point

In what state of matter do sound waves travel the fastest?

11.

1 point

The point at which all rays of light from a lens converge is called the _______.

12.

1 point

In which direction do sound waves propagate?

13.

1 point

For an object that is 30 cm in front of a lens that has a focal length of 20 cm, what is the magnification of the object (hint you need to find the distance the object is from the lens first)?

14.

1 point

Constructive interference is when two waves cancel each other out.

True

False

15.

1 point

When a wave has a fixed point at one end and the wave is reflected, is the wave going to be inverted? Yes or no

16.

1 point

For an object that is 30 cm in front of a lens that has a focal length of 20 cm, what is distance the object is from the lens?

17.

1 point

What is the less dense part of a longitudinal wave called?

18.

1 point

What type(s) of waves are sound waves?

Transverse

Circular

Electromagnetic

Polarized

Longitudinal

Mechanical

19.

1 point

Shorter wavelengths have a smaller frequency.

True

False

20.

1 point

When the angle of light changes when it enters a new medium, this is called ________.

magic

rarefaction

refraction

reflection

21.

1 point

Shorter wavelengths have more energy than longer wavelengths.

True

False

22.

1 point

What part of your eye should the focal point be located on?

cornea

pupil

optic disc

retina

23.

1 point

A converging lens is used in reading glasses (for people who are farsighted- they can't see up close).

True

False