JAMB and WAEC Physics questions

829 questions with answers and explanations. Tap an option to check yourself.

All JAMB WAEC

Question 701· Sound waves· WAEC
Ships measure the depth of the sea using
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Answer: C. echo sounding
Explanation and discussion
Question 702· Sound waves· WAEC
The range of frequencies that the human ear can hear is about
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Answer: A. 20 Hz to 20,000 Hz
Explanation and discussion
Question 703· Sound waves· WAEC
A man hears an echo 2 s after shouting in front of a cliff. If sound travels at 340 m/s, the cliff is
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Answer: C. 340 m away
Explanation and discussion
Question 704· Sound waves· JAMB
The loudness of a sound depends mainly on its
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Answer: B. amplitude
Explanation and discussion
Question 705· Sound waves· WAEC
Sound travels fastest in
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Answer: A. steel
Explanation and discussion
Question 706· Sound waves· JAMB
An echo is heard 2 s after a sound is made in front of a cliff. If the speed of sound is 340 m/s, the cliff is:
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Answer: B. 340 m away
Explanation and discussion
Question 707· Sound waves· JAMB
A girl sees a lightning flash and hears the thunder 3 s later. If sound travels at 340 m/s, how far away is the storm?
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Answer: B. 1020 m
Explanation and discussion
Question 708· Sound waves· JAMB
A pipe closed at one end is 25 cm long. Find the frequency of its fundamental note if the speed of sound is 340 m/s (ignore end correction).
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Answer: C. 340 Hz
Explanation and discussion
Question 709· Sound waves· JAMB
The pitch of a musical note depends on its
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Answer: A. frequency
Explanation and discussion
Question 710· Sound waves· JAMB
Two tuning forks of frequencies 256 Hz and 260 Hz are sounded together. Find the beat frequency.
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Answer: D. 4 Hz
Explanation and discussion
Question 711· Sound waves· WAEC
Two guitar strings sound the same note, but one is louder. The notes differ in
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Answer: A. amplitude
Explanation and discussion
Question 712· Sound waves· JAMB
Sound travels fastest through
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Answer: A. solids
Explanation and discussion
Question 713· Sound waves· JAMB
Notes of 256 Hz and 260 Hz are sounded together. Find the beat frequency.
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Answer: D. 4 Hz
Explanation and discussion
Question 714· Sound waves· WAEC
The first harmonic of a closed pipe of length 0.85 m (speed of sound 340 m/s) has frequency
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Answer: D. 100 Hz
Explanation and discussion
Question 715· Sound waves· WAEC
Why can astronauts on the moon not hear each other directly without radios?
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Answer: A. Sound needs a material medium and there is no air
Explanation and discussion
Question 716· Sound waves· JAMB
Find the fundamental frequency of a pipe closed at one end and 0.85 m long. [speed of sound = 340 m/s]
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Answer: A. 100 Hz
Explanation and discussion
Question 717· Sound waves· WAEC
A boy hears the echo of his shout from a cliff 1 s after shouting. If sound travels at 340 m/s, how far away is the cliff?
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Answer: D. 170 m
Explanation and discussion
Question 718· Sound waves· JAMB
The Doppler effect is the apparent change in frequency caused by
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Answer: C. relative motion of the source and the observer
Explanation and discussion
Question 719· Sound waves· JAMB
Ultrasound has frequencies
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Answer: C. above 20 000 Hz
Explanation and discussion
Question 720· Sound waves· WAEC
Sound cannot travel through
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Answer: B. a vacuum
Explanation and discussion

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JAMB and WAEC Physics questions

Ships measure the depth of the sea using

The range of frequencies that the human ear can hear is about

A man hears an echo 2 s after shouting in front of a cliff. If sound travels at 340 m/s, the cliff is

The loudness of a sound depends mainly on its

Sound travels fastest in

An echo is heard 2 s after a sound is made in front of a cliff. If the speed of sound is 340 m/s, the cliff is:

A girl sees a lightning flash and hears the thunder 3 s later. If sound travels at 340 m/s, how far away is the storm?

A pipe closed at one end is 25 cm long. Find the frequency of its fundamental note if the speed of sound is 340 m/s (ignore end correction).

The pitch of a musical note depends on its

Two tuning forks of frequencies 256 Hz and 260 Hz are sounded together. Find the beat frequency.

Two guitar strings sound the same note, but one is louder. The notes differ in

Sound travels fastest through

Notes of 256 Hz and 260 Hz are sounded together. Find the beat frequency.

The first harmonic of a closed pipe of length 0.85 m (speed of sound 340 m/s) has frequency

Why can astronauts on the moon not hear each other directly without radios?

Find the fundamental frequency of a pipe closed at one end and 0.85 m long. [speed of sound = 340 m/s]

A boy hears the echo of his shout from a cliff 1 s after shouting. If sound travels at 340 m/s, how far away is the cliff?

The Doppler effect is the apparent change in frequency caused by

Ultrasound has frequencies

Sound cannot travel through