Home
Class 12
PHYSICS
An electron is deflected by 1.76 mm in t...

An electron is deflected by `1.76 mm` in traversing a distance of `10 cm` through an electric field of `1800` volt per metre perpendicular to its path. Find the electron charge to mass ratio, if average velocity of the electrons is `3xx10^(7) ms^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:
`1.76 xx 10^(11) kg^(-1)`
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    SL ARORA|Exercise TYPE B : Problem For Self Practice|10 Videos

  • ELECTRONS AND PHOTONS

    SL ARORA|Exercise TYPE C : Problem For Self Practice|11 Videos

  • ELECTRONS AND PHOTONS

    SL ARORA|Exercise Problem Solution|19 Videos

  • ELECTROMAGNETIC WAVES

    SL ARORA|Exercise Problem for self-practice|21 Videos

  • ELECTROSTATIC FORCES, CHARGES AND FIELDS

    SL ARORA|Exercise Problems For Self Practice|1 Videos

Similar Questions

Explore conceptually related problems

A stream of electrons moving with a speed of 3xx10^(7) ms^(-1) is deflected on passing through an electric field of 1800 Vm^(-1) , perpendicular to its path. If the radius iof the deflected beam is 3 m , calculate the value of e//m=1.76xx10^(11)C kg^(-1) .

An electron moving with a speed of 2.5 xx 10^(7) ms^(-1) is deflected by an electric field of 1600 Vm^(-1) perpendicular to its circular path. If the radius of the electron trajectory is 2.3 m, calculate the e/m for the electron.

An electron is accelerated by a potential difference of 12000 volts. It then enters a uniform magnetic field of 10^(-3)T applied perpendicular to the path of electron. Find the radius of path. Given mass of electron =9xx10^(-31)kg and charge on electron =1.6xx10^(-19)C

An electron entering field normally with a velocity 4 xx 10^7 ms^(-1) travels a distance of 0.10 m in an electric field of intensity 3200 Vm^(-1) . What is the deviation from its path?

An electron is moving with a velocity of 5 xx 10^(7) m/s in a magnetic field of 6 xx 10^(-4) T perpendicular to it. What is the frequency? Also find the energy of electron in MeV.

How much deflection would the electron beam suffer when it travels a distance of 10 cm in a uniform electric field of 20 N/C . The initial velocity of electrons is 3xx10^7 m/s directed perpendicular to the electric field .

The wavelength of an electron moving with velocity of 10^(7)ms^(-1) is

Calculate the total charge of a mole of electrons if the electrical charge on a single electron is 1.60 xx 10^(-19) C.

SL ARORA-ELECTRONS AND PHOTONS-TYPE A : Problem For Self Practice
  1. An alpha-particle is accelerated through a potential difference of 25,...

    Text Solution

    |

  2. Two parallel plates kept in air 5 cm apart are at a potential differe...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |