Exercise on Wave n Vibration

1.A source of vibration that vibrates in the air has a wave length of 34 m. If the speed of wave is 340 m/s, then what is the frequency of the vibration?

2.A source of vibration produces 600 vibrations in 1 minute. Calculate the wave length produced if the speed of wave in the air is 340 m/s?

3.Frequency of a turning fork is 200 Hz. Calculate the wavelength that produced if the speed of wave in the air is 340 m/s?

4.What is the period and speed of wave for a wave that has frequency 2 kHz and wavelength 17 cm?

5.A wave travels at 50 m/s. If the wavelength is 2 m, what is the frequency and period of the wave?

6.A wave travels 35 m in 5 s. What is the frequency and period of the wave if the wavelength is 0,5 m?

7.The length of radio wave is 500 m. What is the frequency of the wave if the wave travels at speed of light in vacuum?

8.Sketch the shape of transverse wave that travels for 6 s with frequency 0,5 Hz and 2 cm of amplitude.

9.

The wave above is showing a distance of 30 m in 3 seconds.
What are the frequency, period, amplitude and speed of the wave?

10.2 crests and 1 trough of wave are produced in 1,5 s.
a.What is the frequency of the wave?
b.What is the period of the wave?

11.

The picture shows a wave that travel at 80 cm/s in 5 seconds
a.What is the wavelength of the wave?
b.What is the amplitude of the wave?
c.What is the frequency of the wave?

12.Observe the picture below:


If the frequency of the wave is 30 Hz and the distance traveled is 150 m
a.What is the wavelength of the wave?
b.What is the speed of the wave?

13.A piece of cork floats above sea water. The cork moves upside down 100 times in 40 s. In the same time the sea wave has travel 60 m. what is the wavelength of the wave?

For questions no. 14 and 15


14.What is the frequency and period of the wave?
15.What is the amplitude and speed of the wave?