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An electron is moving with a velocity of...

An electron is moving with a velocity of `10^(7) ms^(-1)` on a circular path of radius `0.57 cm` in a magnetic field of `10^(-2) Wbm^(-2)`. Find the value of `e//m` for the electron.

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The correct Answer is:
`1.76 xx 10^(11) C kg^(-1)`
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SL ARORA-ELECTRONS AND PHOTONS-TYPE A : Problem For Self Practice
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  2. Two parallel plates kept in air 5 cm apart are at a potential differe...

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  3. A stream of electrons moving with a speed of 3xx10^(7) ms^(-1) is defl...

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  4. What is the magnitude of acceleration of an electron of speed 2.5xx10^...

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  5. A stream of electrons moving with a velocity of 6xx10^(7)ms^(-1) passe...

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  6. In J.J Thomson's experiment, a magnetic field of 4xx10^(-2)Wbm^(-2) is...

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  7. An electron is accelerated through a potential difference of 1000 V an...

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  8. Find the strength of the magnetic field required to deflect an electro...

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  9. An electron is moving with a velocity of 10^(7) ms^(-1) on a circular ...

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  10. An alpha-particle of mass 6.65xx10^(-27) kg travels perpendicular to a...

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  11. When a beam of electrons passes through an electrostatic field of 300 ...

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  12. An electron is deflected by 1.76 mm in traversing a distance of 10 cm ...

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  13. An electron beam having a speed of 10^(7)ms^(-1) passes through the tw...

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  14. Electron, initially almost at rest, are accelerated by a potenetial di...

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  15. A beam of electrons is under the effect of potential difference of 1.3...

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  16. A narrow beam of electrons, accelerated by a potential difference of 2...

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  17. In a cathode ray tube a potential difference of 3000 volt is maintaine...

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  18. An electron moving with a speed of 2.5xx10^(-7)ms^(-1) enters a space ...

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  19. Two parallel horizontal plane plates are 30 mm long and 10 mm apart. A...

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  20. In a cathode ray tube the length of deflection plates is 78 mm and the...

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