Energy
Problems
Waves
Vocabulary
Motion
100

What is the frequency of a wave with a period of .4s?

2.5 Hz

100

A sound wave has a frequency of 600 Hz and a wavelength of 16.4 m. What is the speed of sound?

9,840 m/s

100

What term describes when a wave bounces off a surface while maintaining its speed and shape?

reflection
100

The number of waves per second

frequency

100

The high point of a transverse wave

crest

200

What type of wave is a seismic wave?

both transverse and longitudinal

200

A wave has a frequency of 15 Hz and is 3 meters, what is the velocity?

45 m/s

200

The unit of measurement is Hertz

Frequency

200

area of tightened wave in a longitudinal wave

compression

200

term for distortion of a wave as it passes through an opening

diffraction

300

What medium does a wave travel the fastest through

solids

300

The distance between two like points in a wave

Wavelength

300

The matter that mechanical waves travel through is known as ____________.

Medium

300

The measure of how high or low a wave is

Amplitude

300

what is the result of destructive interference on amplitude.

either cancels out or reduces 

400

High frequency waves have _______ wavelengths.

High frequency waves have SHORT wavelengths.

400
A wave moving at 100 m/s with a wavelength of 2 meters, has a frequency of _______.

50 Hz

400

Why does refraction occur?

wave speed changes as the wave cross the boundaries of two mediums

400

The low point of a transverse wave

Trough

400

Increasing the frequency of a wave, ___________________ its wavelength

decreases

500

For a transverse wave, the amount of energy is related to the ________.

amplitude

500

What is the wavelength for a wave with a speed of 10 m/s and frequency of 8 Hz?

1.25 meters

500

What happens to the amplitude in constructive interference?

increases

500

area of uncompressed waves in a longitudinal wave

rarefaction

500

Amplitude measures the __________ and ___________ of the wave.

height and energy
M
e
n
u