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A particle is moving in a horizontal cir...

A particle is moving in a horizontal circular motion of radius R with constant speed v, then the angular momentum of particle about the axis passing through centre is....

A

constant

B

magnitude is varying

C

direction is varying

D

both magnitude and direction are varying

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
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  2. A ball of mass 10 kg moving with a velocity 10sqrt3 m//s along the x-...

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  3. As shown in the figure, a particle of mass 10 kg is placed at a point ...

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  4. A particle performs simple harmonic motion with a period of 2 second. ...

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  9. The circuit shown in the figure consists of a charged capacitor of cap...

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  10. An npn transistor operates as a common emitter amplifier with a power ...

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  12. A body of mass 2 kg moves under a force of (2hati +3hatj +5hatk) N. It...

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  13. A solid disc of radius 'a' and mass 'm' rolls down without slipping on...

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  14. The energy dissipated by a resistor is 10 mj in 1 s when an electric c...

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  15. For an ideal heat engine, the temperature of the source is 127^(@)C. I...

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  16. In a parallel plate capacitor set up, the plate area of capacitor is 2...

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  17. A deviation of 2^(@) is produced in the yellow ray when prism of crown...

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