# Physics MCQs for Class 9 with Answers Chapter 4

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A satellite revolving around very close to Earth has speed nearly:
8 kms-1
5 kms-1
10 kms-1
100 kms-1

The velocity of geostationary satellites with respect to Earth is
Vo
2Vo
Zero
1/2 Vo

Velocity of the body moving in upward direction from the contre of the earth.
Increases
Decrease
Remain constnat
None of these

The earth attracts us due to its __________ mass:
Little
Zero
Small
Large

Earth revolves around the:
Moon
Sun
Glaxy
None

The weight of a body is 100 N its weight in deep space is :
100 N
50 N
25 N
0 N

At the surface of Earth, the acceleration due to gravity ‘g’ is measured by using the formula
g = GMe/R
GMe/R2
g = 2GMe/R2
g = GMe/2R

Gravitational constant depends on:
Medium
Force
Weight
It does not depend son anything

Due to _____________ we can watch live programs.
Natural Satellite
Antenna
Artificial satellite
Nil

Moon is a _____________ satellite.
Natural
Artificial