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Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
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Question 1861 Easy

For a longitudinal wave, wavelength is the distance between two adjacent:

A
Amplitudes
B
Compressions
C
Troughs
D
Crests
Question 1862 Easy

What is the maximum distance a wave vibrates from its rest position called?

A
Frequency
B
Amplitude
C
Wavelength
D
Speed
Question 1863 Easy

What is the unit of wavelength?

A
Hertz (Hz)
B
Metres (m)
C
Decibels (dB)
D
Metres per second (m/s)
Question 1864 Easy

What is the number of vibrations per second called?

A
Speed
B
Wavelength
C
Amplitude
D
Frequency
Question 1865 Easy

What is the unit of frequency?

A
Decibels (dB)
B
Metres (m)
C
Metres per second (m/s)
D
Hertz (Hz)
Question 1866 Easy

If one wave passes a point per second, the frequency is:

A
10 Hz
B
0.5 Hz
C
2 Hz
D
1 Hz
Question 1867 Easy

The speed of a wave is calculated by:

A
Amplitude × Frequency
B
Wavelength × Frequency
C
Frequency ÷ Wavelength
D
Wavelength × Amplitude
Question 1868 Easy

Which travels faster: light or sound?

A
It depends on the medium
B
Light
C
Sound
D
They are the same
Question 1869 Easy

What is the approximate speed of sound in air?

A
100 m/s
B
1000 m/s
C
330 m/s
D
300000 m/s
Question 1870 Easy

Through which state of matter does sound travel fastest?

A
Vacuum
B
Solids
C
Liquids
D
Gases
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