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8th Standard English Medium Science Subject T1 - Forces and Pressure Book Back 3 Mark Questions with Solution Part - II updated Book back Questions Question Bank Software May-13 , 2022

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8th Standard English Medium Science Subject T1 - Forces and Pressure Book Back 3 Mark Questions with Solution Part - II updated Book back Questions

8th Standard English Medium Science Subject T1 - Forces and Pressure Book Back 3 Mark Questions with Solution Part - II

8th Standard

    Reg.No. :
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Science

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

  1. Mention any three ways of minimising friction.

  2. State Pascal’s law and mention its applications.

  3. Why is a ball bearing used in a cycle hub?

  4. Why is it not advisable to take a fountain pen while travelling in an aeroplane?

  5. Vidhya feels that Mercury is costly. So, instead of mercury can we use water as a barometric liquid? Answer to Vidhya and explain, the difficulty of constructing a water barometer.

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