Q.1.
How is the speed of sound calculated?
Q.2.
Which of the following types of waves do not need any matter to travel in?
Q.3.
Which of the following waves are transverse?
Q.4.
Which of the following waves are longitudinal?
Q.5.
A wave machine produces 15 waves per second. What is the frequency of the waves?
Q.6.
If the waves above travel 10 metres in 5 seconds, what is the speed of the waves?
Q.7.
Considering your answers to question 7 and 8, what is the wavelength of the waves produced by the wave machine?
Q.8.
What is the wavelength of a wave?