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Physics Class 9 - Important MCQs - 4

Physics Class 9 - Important MCQs - 4

1. Physical balance

1) 3.0x102 m/s
2) Mass measurement
3) Random motion
4) Pisa Tower
2. Unit of mass

1) Kilogram
2) 01 mm
3) 10-9
4) Pitch
3. Types of error

1) 03
2) Kilogram
3) Pitch
4) Unit of volume
4. Rate of change of velocity

1) displacement/time
2) Motion against the gravity
3) acceleration
4) 1.1x104 m/s
5. Jet plane

1) 3.0x102 m/s
2) scalar quantity
3) 6 km/h
4) Pisa Tower
6. Distance between two threads of a screw

1) 10-9
2) 01 mm
3) Distance between two vernier division
4) Pitch
7. Least count of meter rod

1) Distance between two vernier division
2) 01 mm
3) Unit
4) Unit of length
8. Km/h

1) uniform circular motion
2) unit of speed
3) Rotation of earth
4) point of intersection of x-.axis and y-axis
9. Study of motion under the action of force

1) displacement/time
2) Motion against the gravity
3) acceleration
4) Dynamics
10. Shortest Directed distance between two point

1) point of intersection of x-.axis and y-axis
2) unit of speed
3) uniform circular motion
4) Displacement
11. Nano Second

1) 10-9
2) 01 mm
3) Unit of length
4) Distance between two vernier division
12. Variable velocity

1) Rotation of earth
2) point of intersection of x-.axis and y-axis
3) uniform circular motion
4) Change in velocity
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