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Two electrodes are maintaned at a poten...

Two electrodes are maintaned at a potential difference of 100 V. An elecron moving form cathode to anode gains kinetic energy

A

`160 xx 10^-19`Erg

B

100 Joule

C

`160xx10^-19`Joule

D

100 Erg

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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
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  4. A car with K.E. 100 J is moving on a horizontal road. Now 200 J work i...

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  5. Two bodies with kinetic energy in the ratio of 4:1 are moving with equ...

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  6. A certain household has consumed 250 units of electric energy during a...

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  7. If mass is doubled and velocity is halved then new kinetic energy is

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  8. When the force retards the motion of the body, the work done is :

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  9. In which of the following examples, work done is negative?

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  10. In which of the following applications is work is not done?

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  11. For a force to do maximum work, what should be the angle between force...

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  12. State the SI unit of potential energy.

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  16. A person holds a bundle of hay over his head for 30 minutes and gets t...

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  17. Express kilowatt hour in terms of joules.

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  18. Two children A and B each weigh 20 kg climb a rope up a height of 10 m...

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  19. Two children A and B each weigh 20 kg climb a rope up a height of 10 m...

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  20. In a house 3 bulb of 25 W. Each are used for 5 hours a day. Calculate ...

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