Physics Chapter 5 Gravitation Mcqs Test Online Punjab 9th Class 

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Question 1 of 6

Physics

1. Earth’s gravitational force of attraction vanishes at:

infinity

1000 km

6400 km

42300 km

Question 1 of 6

Question 2 of 6

2. The value of g on Moon’s surface is 1.6 ms⁻². What will be the weight of a 10 kg body on the surface of a Moon?

100 N

16 N

10 N

160 N

Question 2 of 6

Question 3 of 6

3. The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth is:

1000 km

6400 km

42,300 km

850 km

Question 3 of 6

Question 4 of 6

4. The orbit speed of a low orbit satellite is:

8 ms⁻¹

zero

800 ms⁻¹

8000 ms⁻¹

Question 4 of 6

Question 5 of 6

5. Value of ‘g’ increases with the _________.

decrease in altitude

increases in mass of a body

increase in weight of body

increase in altitude

Question 5 of 6

Question 6 of 6

6. The value of ‘g’ at a height one Earth’s radius above the surface of the earth is:

½g

1/3g

2g

1/4g

Question 6 of 6

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