More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
9th Class Physics Chapter 5 Gracitation English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth is
Choose an answer
850 km
1000 km
6400 km
42,300 km
Previous
Skip
Next
Question # 2
Velocity of the body moving in upward direction from the contre of the earth.
Choose an answer
Increases
Decrease
Remain constnat
None of these
Previous
Skip
Next
Question # 3
The value of g at a height one Earth's radius above the surface of the earth is:
Choose an answer
2g
1/2 g
1/3 g
1/4 g
Previous
Skip
Next
Question # 4
The mass of Earth is
Choose an answer
6 x 1018 kg
6 x 1020 kg
6 x 1022 kg
6 x 1024 kg
Previous
Skip
Next
Question # 5
Moon complete it's one revolution around earth is days:
Choose an answer
22
23
27.3
25
Previous
Skip
Next
Question # 6
The speed of satellites in GPS is:
Choose an answer
8.73 kms
-1
3.87 ms
-1
32 ms
-1
3.87 kms
-1
Previous
Skip
Next
Question # 7
The unit of gravitational constnat is:
Choose an answer
Nm
2
kg
Nm
2
kg
-2
Nm
2
kg
-1
N - m
2
Previous
Skip
Next
Question # 8
Anything that rotates around a planet is called:
Choose an answer
Star
Sun
Moon
Satellite
Previous
Skip
Next
Question # 9
At the surface of Earth, the acceleration due to gravity 'g' is measured by using the formula
Choose an answer
g = GMe/R
GMe/R2
g = 2GMe/R2
g = GMe/2R
Previous
Skip
Next
Question # 10
Moon is our satellite:
Choose an answer
Artificial
Permanent
Natural
Communication
Previous
Skip
Next
Question # 11
Weight of the body is__________ to the gravity force between body and earth:
Choose an answer
Less than
Greater than
Equal
Constant
Previous
Skip
Next
Question # 12
The height of geostationary satellites with respect to Earth is
Choose an answer
36,300 km
40,300 km
30,300 km
42,300 km
Previous
Skip
Next
Question # 13
Earth's gravitational force of attraction vanishes at:
Choose an answer
6400 km
Infinity
42300 km
1000 km
Previous
Skip
Next
Back