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WAEC Physics questions: Sound waves

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

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  1. Question 1· Sound waves· WAEC

    Ships measure the depth of the sea using

    Explanation and discussion

  2. Question 2· Sound waves· WAEC

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

    Explanation and discussion

  3. Question 3· 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

    Explanation and discussion

  5. Question 5· Sound waves· WAEC

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

    Explanation and discussion

  6. Question 6· Sound waves· WAEC

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

    Explanation and discussion

  7. Question 7· Sound waves· WAEC

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

    Explanation and discussion

  8. Question 8· 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?

    Explanation and discussion

  10. Question 10· Sound waves· WAEC

    A girl claps in front of a wall and hears the echo 1.2 s later. If sound travels at 340 m/s, how far is the wall?

    Explanation and discussion

  11. Question 11· Sound waves· WAEC

    The pitch of a note depends on its

    Explanation and discussion

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