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8th Standard English Medium Science Subject T3 - Sound Book Back 2 Mark Questions with Solution Part - I updated Book back Questions Question Bank Software May-13 , 2022

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

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. Give an example to show that light travels faster than sound?

  2. What is an ultrasonic sound?

  3. Give two differences between music and noise.

  4. Ruthvik and Ruha hear a gunshot 2 seconds after it is fired. How far away from the gun they are standing? (Speed of sound in air is equal to 330ms-1)

  5. What is the frequency of a mechanical wave that has a velocity of 25 ms-1 and a wavelength of 12.5 m?

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