10th Standard English Medium Science Subject Acoustics Creative 1 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. Which statement is true?

    (a)

    Sound waves can propagate as longitudinal or transverse depending on the transmitting medium.

    (b)

    Sound waves are transverse and they propagate perpendicular to the transmitting medium.

    (c)

    Sound waves are longitudinal waves and they propagate parallel to the transmitting medium.

    (d)

    Sound waves can propagate as longitudinal or transverse depending on the temperature.

  2. The velocity of sound is affected by

    (a)

    temperature

    (b)

    density

    (c)

    pressure

    (d)

    all the above

  3. A sound wave passes through gold rod and comes into the surrounding air. What is the relation between original wavelength A and new wavelength λ'?

    (a)

    λ=λ'

    (b)

    λ>λ'

    (c)

    λ<λ'

    (d)

    None of the above

  4. At what velocity should a source of sound move towards a listener so that apparent frequency is twice the actual frequency?

    (a)

    165 m/s

    (b)

    330 m/s

    (c)

    660 m/s

    (d)

    110 m/s

  5. The region of a sound wave having low pressure is

    (a)

    interference

    (b)

    refraction

    (c)

    rarefaction

    (d)

    compression

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