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- 1. Multiple Choice
The value of 'g ' is
6× 1024
6.67 × 10 11
9.8 m/sec2
None of these
- 2. Multiple Choice
Mass is a ____ quantity
Scaler
Vector
Non physical
None of these
- 3. Multiple Choice
Which law is responsible for flowing of water into the river
Law of Constant Proportion
Law of conservation of mass
Universal Law of Gravitation
Law of Conservation of Mass
- 4. Multiple Choice
The value of ' g ' is maximum at
Equator
Below the earth surface
Pole
None of these
- 5. Multiple Choice
If 240 kg is the weight of body on earth then its weight on the surface of moon is
120 kg
60 kg
40 kg
20 kg
- 6. Multiple Choice
If the ball is drop at the height of 200 m above the earth surface.What will be velocity just touch the ground
270 m/sec
140 m/sec
70 m/sec
None of these
- 7. Multiple Choice
Pascal is the S.I Unit of
Force
Acceleration
Pressure
Weight
- 8. Multiple Choice
On doing down deep into the earth the acceleration due to gravity
Increase
Decrease
Remain Same
First Increase and then decrease
- 9. Multiple Choice
Where does an object show weightlessness
Over the ground surface
When a body is in the state of free fall
In between the top of building and earth surface
Any Where
- 10. Multiple Choice
When a body is thrown vertically upward , what will be its final velocity
Maximum
Minimum
Zero
None of these
- 11. Multiple Choice
Who formulated the universal law of gravitation
Issac Netwon
Marconni
Steav Buckner
Mendel
- 12. Multiple Choice
The force of gravitation between two object varies with ' r'
r2
1/r
1/r2
r
- 13. Multiple Choice
In the relation , F= GMm/R2
the quantity G
Depend on the value of g at the place of observation
Is used only when the earth is one of two masses
Experience forces of different magnitude
Is universal constant of nature
- 14. Multiple Choice
A stone is dropped from the roof of a building take 4 sec. to reach the ground . Then the height of the buolding is
74.4 m
72.6 m
78.4 m
0 m
- 15. Multiple Choice
When a body is thrown toward the centre of earth , then acceleration due to gravity is
Negative
Positive
Neutral
Zero
- 16. Multiple Choice
What happen to the force if the masses of two object become double
2 time increase
4 times decrease
4 times increase
Zero times increase
- 17. Multiple Choice
A ball is thrown vertically upward returns to the thrower after 6 sec. Then the velocity with which it was thrown
25 m/sec
27.4 m/sec
28.4 m/sec
29.4 m/sec
- 18. Multiple Choice
The atmosphere is held by
Cloud
Gravity
Wind
Earth Magnetic Field
- 19. Multiple Choice
The weight of an object at the centre of the earth of radius 'R' is
Infinite
Zero
R times the weight at the surface of earth
1/R2 times the weight of object at the surface of earth
- 20. Multiple Choice
The S.I unit of 'g' is
m/sec
m/sec2
N
m
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