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11th Standard English Medium Physics Subject Gravitation Book Back 5 Mark Questions with Solution Part - II

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 25

    Part I

    5 x 5 = 25
  1. Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.

  2. Derive an expression for escape speed.

  3. Explain the variation of g with altitude.

  4. Derive the time period of satellite orbiting the Earth.

  5. Explain in detail the geostationary and polar satellites.

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