What is the name for the distance from peak to peak of a wave?
Wavelength
Amplitude
Frequency
What is the unit for period?
Metres (m)
Hertz (Hz)
Seconds (s)
What is the period of a 40 Hz wave?
0.025 s
0.4 s
40 s
What is the frequency of a wave with a period of 0.08 s?
8 Hz
1.25 Hz
12.5 Hz
How is wave speed calculated?
Wave speed = frequency ÷ wavelength
Wave speed = frequency × wavelength
Wave speed = wavelength ÷ frequency
What is the wave speed of a 1000 Hz wave with a wavelength of 0.04 m?
40 m/s
400 m/s
0.00004 m/s
A boat at sea bobs up and down as waves pass. The vertical distance between a crest and a trough is 62 cm and 20 waves pass the boat in 30 seconds. What is the amplitude of the waves?
20 cm
31 cm
62 cm
A boat at sea bobs up and down as waves pass. The vertical distance between a crest and a trough is 52 cm and 20 waves pass the boat in 10 seconds. What is the frequency of the waves?
0.5 Hz
2 Hz
200 Hz
What is the wavelength of a BBC Radio 1 wave that has a frequency of 99.7 MHz and speed of 300,000,000 m/s (3 x 108 m/s)?
3 m
3,000,000 m
2.9 x 1016 m
What is the amplitude of the wave?
2.5 mm
5 mm
8 m
What is the wavelength of the wave?
10 m