Science - light waves

Question 1

Waves involve movement that is repeated at regular intervals. Identify what this is called.

Answer 1

Periodic motion

Question 2

The wavelength of a wave is:

Answer 2

the distance between one crest of a wave and the next crest

Question 3

Complete the sentence.

The longer the wavelength, the ____________ the frequency of the wave.

Answer 3

lower

Question 4

The period of a ripple on a lake is half a second, or 0.5 s.

Calculate the frequency of the wave.

Hint: How many waves occur in one second if each wave takes half a second?

Answer 4

2 waves/second

Question 5

You throw a large rock into a pond and notice that three waves break on the shore every second.

Determine what the period of the wave created by the rock is closest to.

Answer 5

0.33 seconds

Question 6

Identify whether the following statement is true or false.

Light is a type of wave, so it has a frequency.

Answer 6

True

Question 7

Identify whether the following statement is true or false.

White light has one specific frequency.

Answer 7

False