v31

A

`(2 m u epsilon_0 sin alpha)/(q sigma)`

B

`(m u epsilon_0 sin alpha)/(q sigma)`

C

`(m u epsilon_0 sin alpha)/(2q sigma)`

D

`(m u epsilon_0 sin alpha)/(4q sigma)`

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KVPY PREVIOUS YEAR-MOCK TEST 5-EXERCISE
  1. One quarter sector is cut from a uniform circular disc of radius R. Th...

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  2. A gaseous mixture enclosed in a vessel consists of one gram mole of a ...

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  3. v31

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  4. A parallel plate capacitor C with plates of unit area and separation d...

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  5. A vessel of volume V is evacuated by means of a piston air pump. One ...

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  6. A conducting loop is being pulled with speed v from region I of magnet...

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  7. The current transfer ratio beta of a transistor is 50. The input resis...

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  8. A metre long narrow bore held horizontally (and close at one end) cont...

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  9. A thin uniformring of radius R carrying uniform charge Q and mass M ro...

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  10. The reflecting surface is represented by the equation 2x =y^2 as shown...

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  11. The potential energy of a particle of mass m is given by U(x){{:(E(0),...

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  12. A cylinder rolls up an inclined plane, reaches some height, and then r...

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  13. The escape velocity of a body on the Earth’s surface isve. A body is t...

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  14. A 10 kW drilling machine is used to drill a bore in a small aluminium ...

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  15. A strip of wood of length l is placed on a smooth horizontal surface. ...

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  16. A wind - powered generator convets and energy into electrical energy ...

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  17. An object with uniform density ρ is attached to a spring that is known...

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  18. A tiny spherical oil drop carrying a net charge q is balanced in still...

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  19. The flow of blood in a large artery of an anaeshetized dog is diverted...

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