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Physics Class 9 - Important MCQs - 10

Physics Class 9 - Important MCQs - 10

1. M. A of inclined plane

1) r
2) 1/sin?
3) Screw Jack
4) lever
2. L x h

1) E x d
2) Output
3) Load effort
4) opening bottle
3. Efficiency

1) Load effort
2) Exd
3) Output
4) Out Put / In put
4. Energy due to motion

1) energy
2) work
3) kinetic energy
4) Power
5. Weight

1) Watt
2) mg
3) Second
4) constant quantity
6. Volume of earth

1) v 6.67x10-11 Nm2/kg2/ r
2) circular motion
3) 4/3 Pi R3
4) 6.67x10-11 Nm2/kg2
7. Geostationary Satellites

1) circular motion
2) 4/3 Pi R3
3) v2/ r
4) Global Satellites
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