Q.1.
In addition to being reflected and refracted, how can waves also be manipulated?
Q.2.
What units is frequency measured in?
Q.3.
The period of a wave , if the time period for a wave of wavelength 500 mm is 0.5 seconds, at what speed is the wave travelling?
Q.4.
What is the formula of the wave equation?
Q.5.
Calculate the frequency of a wave with a speed of 3 x 10 m/s and a wavelength of 1 x 10 m.
Q.6.
Which of the following is a characteristic of a longitudinal wave?
Q.7.
Calculate the wavelength of an electromagnetic wave that has a frequency of 10 kHz.
Q.8.
Calculate the speed of a wave with a frequency of 3 Hz and a wavelength of 100 x 10 m.
Q.9.
What types of waves are used for communications?
Q.10.
What are the SI units of wavelength?