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Sound Test - 38...

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  • Question 1
    1 / -0

    How do dolphins and whales communicate?

  • Question 2
    1 / -0

    Why can supernova explosions in space be seen but not heard on earth?

  • Question 3
    1 / -0

    Sound cannot pass through me.I am?

  • Question 4
    1 / -0

    Which part of the ear increases the size of the vibrations of sound waves entering the ear?

  • Question 5
    1 / -0

    Sound of frequency below 20 Hz is called

  • Question 6
    1 / -0

    Sound travels through air at 343 m/s at $$20^{\circ}\, C$$. A bat emits an ultrasonic squeak and hears the echo 0.05 s later. How far away was the object that reflected it?

  • Question 7
    1 / -0

    Bats can fly in the dark because

  • Question 8
    1 / -0

    Sound wave travels as:

  • Question 9
    1 / -0

    Sound waves in air are

  • Question 10
    1 / -0

    Which sound property determine 'Loudness'?

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