Question

The statements, that are correct, are the statements-
(a) A and B
(b) B and D
(c) B and C
(d) A and C
7. The first Indian satellite is-
(a) Kalpana-1
(b) Aryabhatta
(C) INSAT
(d) EDUSAT
D. Answer the following questions in brief.
1. Name the hottest planet in our solar system. Is it closest to the Sun?
2. How much time does the earth take to-
(i) revolve once around the sun?
(ii) to complete one rotation about its own axis?
3. State the nature of the shape of orbit of planets.
4. Write the meaning of the term 'Artificial Satellites'.
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Answer 1

Answer:

2- aryabhatta

3- Venus

4- 1- 365 days 2- 1day

5- circle is special ellipse

Answer 2

Answer:

1st Indian Satellite-Aryabhatta

1.Venus is the hottest planet in the Solar system. It is proximate to the sun.

2.To revolve once around sun- 365 days,5 hours,59 minutes and 16 seconds.

To complete one rotation about its own axis-23.9 hours

3.Elliptical