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9th Standard English Medium Science Subject Universe Book Back 2 Mark Questions with Solution Part - I Question Bank Software Jun-15 , 2021

QB365 provides detailed and simple solution for every Book back Questions in class 9 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.

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

    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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