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

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

9th Standard

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Science

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

  1. Why does a helium balloon float in air?

  2. What is meant by atmospheric pressure?

  3. A block of wood of weight 200 g floats on the surface of water. If the volume of block is 300 cm3 calculate the upthrust due to water.

  4. A body of voloume 100 cc is immersed completely in water contained in a jar. The weight of water and the jar before immersion of the body was 700 g. Calculate the weight of water and jar after immersion.

  5. Calculate the apparent weight of wood floating on water if it weighs 100g in air.

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