WorksheetsWaves study guide 21/22
Total questions: 16
Worksheet time: 20mins
1. The equation used for calculating the speed of a wave is provided. If the wavelength is doubled, what happens to the frequency?
Doubles
Stay the same
Halved
Increase by 1/3
2 What are the properties of the wave?
a) Force, mass, acceleration
a) Distance, speed, direction
a) Amplitude, frequency, phase
a) Length, heights, width.
2 waves have the same wavelength, and frequency, amplitude superpose exactly out of synch with the crest of one intersecting the trough of the other. Which answer represents the interference between both waves?
Which of the following provides the best evidence that waves can pass each other and remain unaffected?
Speed of light
The speed of sound increases in proportion to the medium through which it travels.
Light scatters in multiple directions when it strikes a rough, uneven surface.
radio waves can be sent in different frequencies and received at the same time.
what are the possible consequences when the speed wave decreases, while Frequency is constant.
wavelength increases
increase in frequency
decrease in wavelength.
a wave has a wavelength of 3.2 m and frequency of 7 hertz?
2.4 m/s
4 m/s
30 m/s
22.4 m/s
Put electromagnetic waves in order from the lowest energy to the highest
Gamma/X-rays/Ultraviolet/Visible light/Infrared/Microwaves/Radio waves
Micrpwaves/Radiowaves/Infrared/Visible light/Ultraviolet/X-rays/Gamma rays
Visible light/Radiowaves/Microwaves/Infrared/
Ultraviolet/X-rays/
Gamma rays
Raio waves/Microwaves/Infrared/Visible light/Ultraviolet/X-rays/Gamma rays
the amplitude of a wave represents
the wavelength and frequency
speed of the wave
the medium the wave travel through
energy/intensity/strength
True or False : Electromagnetic waves can go through different mediums solid, liquid and gas
True
False
to determine if electromagnetic wave is able to cause health risks, what type of information we need to figure out?
Speed of wave
wavelength of wave
distance wave traveled
frequency of the wave
An electromagnetic wave has a frequency of 7.32 x 1014 Hz. What is the wavelength of the wave? Assume the speed of light is 3 x 108 m/s.
4.5 x 10-2
1.3 x 105
4.09 x 10-7
3.6 x 10-4
The ratio of the wavelengths of two sound waves in air is 1:5 The ratio of the frequencies of the two waves is:
1:7
1:2
5:1
2:1
A wave with a wavelength of 0.48 m travels a distance of 650 m in 2.5 seconds. What is the frequency of the wave?
500 Hz
341 HZ
700 HZ
541 HZ
The electromagnetic spectrum displays the full range of electromagnetic energy based on wave properties, from high-energy gamma rays to low-energy radio waves. Compared to gamma ray radiation, energy that travels as infrared can be described as having which of the following?
shorter wavelength
higher frequency
greater energy
longer wavelength
1. Which of the following correctly identifies a possible combination of changes in characteristics that would accompany a decrease in the velocity of a wave?
a) An increase in wavelength while frequency remains constant
b) A decrease in wavelength while frequency remains constant
c) An increase in frequency while wavelength remains constant
d) An increase in wavelength and an increase in frequency
The equation used for calculating the speed of a wave is provided below.
In any given wave, when the frequency of the wave doubles (f= 2f), which of the following other changes will also take place?
The wavelength will double (λ = 2λ).
The velocity will double (v = 2v).
The wavelength will be divided by 4 (λ = λ/4).
The velocity will be divided by 2 (v = v/2).
