Key terms for the features of waves are introduced, and the properties and uses of the EM spectrum, wave speed calculations and satellite communication are also covered.
What is the amplitude of the wave shown?
If the speed of a water wave decreases to half of its original value in shallower water, what will happen to its wavelength?
It will double
It will halve
Which of these types of electromagnetic radiation has the highest frequency?
What is the unit for frequency?
A wave travels with a speed of 5 m/s. It has a frequency of 10 Hz. What is the wavelength of the wave?
What is the wavelength of this wave?
What does a geostationary satellite do?
It stays above the Earth at the same point
It stays above the same point on the Earth’s surface
It doesn’t move
Which of the following is a longitudinal wave?
A water wave travels 6 m in 2 s. What is the speed of the wave?
Which type of electromagnetic radiation travels the fastest?
They both travel at the same speed