WorksheetsCANVAS Earth Science and Physics Unit 4 Waves
Total questions: 10
Worksheet time: 5mins
Waves of varying wavelengths encounter barriers with differently sized openings, causing them to undergo diffraction. Among the diagrams presented, which one exhibits the greatest spreading of waves?
Identify the wave from the options that is exclusively longitudinal. G8S42
sound waves in air
microwaves traveling through air
radio waves traveling through vacuum
waves on a plucked violin string
Among the following materials, through which can sound propagate? G8S43
all of the above
wood
air
copper
Which of the following is NOT an example of an electromagnetic wave?
Beta rays
Radio waves
Ultraviolet rays
Visible light
When a man shouts loudly near a high wall, he hears one echo. If the man is 60 m away from the wall, how long will it take for the echo to be heard if sound travels at a speed of 330 m/s in the air?
0.36 s
0.18 s
5.5 s
2.8 s
A stretched string produces a periodic wave. Which of the following characteristics is not related to the wave's speed?
amplitude
frequency
period
wavelength
The periods of sound 1 and sound 2 are 0.010 and 0.020 seconds, respectively. Which has the greater frequency?
Sound 1
Sound 2
Both have the same frequency
Cannot be determined from the given information
Out of the following, which is not true about electromagnetic waves?
Electromagnetic waves are longitudinal waves.
Electromagnetic waves transfer energy through space.
Electromagnetic waves can propagate through a material substance.
Electromagnetic waves do not require a physical medium for propagation.
When a wave enters a new medium at an angle, it refracts because ________. G8S49
the wave speed changes
None of the above
the amplitude changes
the frequency changes
Electromagnetic waves are transmitted by cellular phones at a frequency of 835 MHz. Determine the wavelength of these waves.
0.359 m
3.6x103 m
36 m
3.6x105 m
