2. Questions Bank
  3. 9th Class
  4. Science
  5. Gravitation and Floatation

9th Class Science Gravitation and Floatation Question Bank Gravitation HOTS Subjective Problems

  • question_answer
    The period of revolution of an earth's satellite close to the surface of earth is 90 minutes. The period of another earth's satellite in an orbit at a distance of three times earth's radius from its surface will be

    Answer:

    (b) (a) 90 minutes                   (b) \[90\times \sqrt{8}\]minutes (c) 270 minutes                 (d) 720 minutes


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