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9th Standard English Medium Science Subject Sound Book Back 3 Mark Questions with Solution Part - I Question Bank Software Jun-15 , 2021

QB365 provides detailed and simple solution for every Book back Questions in class 9 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.

9th Standard English Medium Science Subject Sound Book Back 3 Mark Questions with Solution Part - I

9th Standard English Medium Science Subject Sound Book Back 3 Mark Questions with Solution Part - I

9th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15

  1. Through which medium sound travels faster, iron or water? Give reason.

  2. Can sound travel through vacuum?

  3. What is meant by supersonic speed?

  4. You and your friend are on the moon. Will you be able to hear any sound produced by your friend?

  5. A stone is dropped from the top of a tower 750 m high into a pond of water at the base of the tower. Calculate the number of seconds for the splash to be heard?
    (Given g = 10 m s–2 and speed of sound = 340 m s–1)

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