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Speed of light in dry air is…..m//s....

Speed of light in dry air is…..`m//s.`

A

`3xx10^7 `

B

`3xx10^8`

C

`3xx10^9`

D

`3xx10 ^3`

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CHETANA PUBLICATION-LAWS OF MOTION-EXAMPLE
  1. If an object covers unequal distances in equal time intervals, it is s...

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  2. The rate of change of velocity is called

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  3. Speed of light in dry air is…..m//s.

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  4. When velocity of a body increases, its acceleration is

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  5. When velocity of a body decreases, its acceleration is……

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  6. Negative acceleration is also called …..or……

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  7. In case of ………..motion, object travels equal……. in equal intervals of ...

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  8. Motion of an object wasstudied by……

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  9. When an object moves in a circular path with uniform speed, its motion...

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  10. When a coin moves along a circular path, the direction of its motion a...

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  11. For all uniformly accelerated motions, the volcity time graph is a……..

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  12. In the distance-time graph, the slope of the straight line indicates

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  13. The first equation of motion gives relation between……and time.

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  14. Newton'sfirst law explains the phenomenon of…….

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  15. …...cause a change in the state of an object at rest or in uniform mot...

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  16. To describe an object's momentum, we must and specify its

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  17. ……..is the product of mass and velocity of an object

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  18. The rateof changeof momentumisproportional to the applied……

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  19. S.I. unit of momentum is

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  20. …...is always conserved in a collision.

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