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8th Standard English Medium Science Subject T3 - Sound Book Back 2 Mark Questions with Solution Part - I Question Bank Software Jun-16 , 2021

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8th Standard English Medium Science Subject T3 - Sound Book Back 2 Mark Questions with Solution Part - I

8th Standard English Medium Science Subject T3 - Sound Book Back 2 Mark Questions with Solution Part - I

8th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. What is vibration?

  2. To increase the loudness of sound by four times, how much should the amplitude of vibration be changed?

  3. Give two differences between music and noise.

  4. A sound wave travels 2000 m in 8 s. What is the velocity of the sound?

  5. A wave with a frequency of 500 Hz is traveling at a speed of 200 ms-1. What is the wavelength?

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