Home
Class 12
PHYSICS
The mass of electron varies with...

The mass of electron varies with

A

electron velocity

B

the size of cathode ray tube

C

variation of g

D

the size of electron

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE-I ASSERTION AND REASON|4 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE=II|42 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|42 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - IA|2 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Practice Exercise|57 Videos

Similar Questions

Explore conceptually related problems

What will happen to the mass of electron if it travels with velocity of light ?

Who evaluted the mass of electron indirectly with help of charge:

Assertion:The mass of beta -particles when they are emitted is higher than the mass of electrons obtained by other means. Reason: beta -particle and electron , both are similar particles.

The kinetic energy of an electron is 4.55 xx 10^(-25) J .The mass of electron is 9.1 xx 10^(-34) kg . Calculate velocity of the electron.

The mass of an electron is m, charge is e and it is accelerated form rest through a potential difference of V volts. The velocity acquired by electron will be :

In a Bohr atom the electron is replaced by a particle of mass 150 times the mass of the electron and the same charge . If a_(0) is the radius of the first Bohr orbit of the orbital atom, then that of the new atom will be

The mass of an electron in amu is

In an electron gun, the electrons are accelerated by the potential V . If the e is the charge and m is the mass of the electron, then the maximum velocity of these electrons will be

If m is the mass of an electron and c the speed of light, the ratio of the wavelength of a photon of energy E to that of the electron of the same energy is

Energy equal to the mass of one electrons is

AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE-I
  1. A long solenoid having n = 200 turns per metre has a circular cross-se...

    Text Solution

    |

  2. The threshold frequency for a metallic surface corresponds to an energ...

    Text Solution

    |

  3. The mass of electron varies with

    Text Solution

    |

  4. The wavelengths of a photon, an electron and a uranium nucleus are sam...

    Text Solution

    |

  5. The matter waves are

    Text Solution

    |

  6. The wave nature of electron is verified by

    Text Solution

    |

  7. The De- broglie wavelength associated with a matter particle is

    Text Solution

    |

  8. The ratio of wavelength of a photon and that of an electron of same en...

    Text Solution

    |

  9. Enthalpy change of a reaction with be equal to

    Text Solution

    |

  10. Calculate the uncertainty in position of the electron if de-Broglie wa...

    Text Solution

    |

  11. The Phenomena of photoelectric effect and Compton effect will conform

    Text Solution

    |

  12. A solid sphere of radius R/2 is cut out of a solid sphere of radius R ...

    Text Solution

    |

  13. Select wrong statement.

    Text Solution

    |

  14. A stone is projectef from level ground such that its horizontal and ve...

    Text Solution

    |

  15. Photon of frequency v has a momentum associated with it. If c is the v...

    Text Solution

    |

  16. Moseley's law for characteristic X-rays is sqrt v = a(Z-b). In this,

    Text Solution

    |

  17. In the pure inductive circuit, the curves between frequency f and reci...

    Text Solution

    |

  18. Consider a photon of continuous X-ray and a photon of characteristic X...

    Text Solution

    |

  19. When target potential in the X-ray tube is increased

    Text Solution

    |

  20. The X-rays beam coming from an X-ray tube will be

    Text Solution

    |