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The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three its previous value, then approximate new time period of the satellite will be

Option 1 -

40 hours

Option 2 -

36 hours

Option 3 -

30 hours

Option 4 -

25 hours

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    According to question, we can write

      d = 2 h R ⇒ d 2 d 1 = h 2 h 1 ⇒ h 2 = ( d 2 d 1 ) 2 h 1 = ( 2 1 ) 2 × 1 2 5 = 5 0 0 m

    Increment in height of tower = h2 – h1 = 500 – 125 = 375 m

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