Self Studies

Sound Test - 60...

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  • Question 1
    1 / -0

    The frequency wavelength and speed of a sound wave are related as:

  • Question 2
    1 / -0

    Two tuning forks A, B vibrate with frequencies in the ratio 2 : 7 and their wavelength in the ratio 3: 4 respectively. Find the tuning fork producing greater velocity of sound.

  • Question 3
    1 / -0

    Loudness of sound increases with:

  • Question 4
    1 / -0

    A tuning fork of frequency 420 Hz completes 70 vibrations. Find the distance travelled by sound in air (v = 360 m s1)s^{-1})

  • Question 5
    1 / -0

    What is the distance between a crest and a trough in a wave?

  • Question 6
    1 / -0

    Ultrasonic waves are used for detecting objects under water. What is the technique/device used for this?

  • Question 7
    1 / -0

    Which kind of waves are used in sonography?

  • Question 8
    1 / -0

    A boy stands facing a high wall at a distance of 85 m from it and then blows a whistle. Calculate the time interval when he hears an echo (Speed of sound = 340 m s1s^{-1}).

  • Question 9
    1 / -0

    Arrange the following media in ascending order of the speed of sound in them.
    (i) Water
    (ii) Steel
    (iii) Nitrogen

  • Question 10
    1 / -0

    Quality of sound is used to distinguish between:

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