Introduction to Waves - SS3 Physics Past Questions and Answers - page 3
22
The wave equation helps us to___
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A
Enumerate the fundamental parameters of waves
B
Calculate the velocity of waves only
C
To calculate the wavelength of waves only
D
Determine the direction in which the wave is travelling
23
The wave equation is applicable to___
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A
Electromagnetic waves alone
B
Mechanical waves alone
C
Transverse and longitudinal waves
D
All forms of waves
24
According to the wave equation, the wavelength is___ related to velocity and __ related to frequency
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A
Inversely, proportionally
B
Directly, inversely
C
Fractionally, directly
D
Proportionally, indirectly
25
If a wave has a wavelength of 5 m and a velocity of 156 m/s, what is its frequency?
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A
780.1 Hz
B
31.2 m/s
C
780.1 m/s
D
31.2 Hz
26
For a wave with a frequency of 324 Hz, a wavelength of 12 m, its velocity is___
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A
27 kHz
B
3.88 Hz
C
3.88 kHz
D
27,000 Hz
27
If a periodic pulse is traveling through the air with a velocity of 589 meter every 1 second at a frequency of 1.5 x 103Hz, what is its wavelength?
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28
What is the frequency of a radio wave if its wavelength is 174 m while traveling with a velocity of 456 m/s through the air?
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