9th Standard English Medium Science Subject Universe Book Back 2 Mark Questions with Solution Part - I

9th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. What is solar system?

  2. What is a cosmic year?

  3. Define orbital velocity.

  4. Define time period of a satellite.

  5. What is a satellite? What are the two types of satellites?

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