Home
Class 12
PHYSICS
When an electron moving with constant sp...

When an electron moving with constant speed enters in a magnetic field at `60^(@)` then its de- broglie wave length.

A

Increase

B

Decreases

C

Remains constant

D

None

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATTER WAVE

    MOTION|Exercise EXERCISE 3 (SECTION B)|7 Videos

  • MODERN PHYSICS - 2

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|28 Videos

Similar Questions

Explore conceptually related problems

An electron is having a kinetic energy of 50 eV. Its de broglie wavelength is

An electron is having a kinetic energy of 50 eV. Its de-Broglie wavelength is

An electron is moving with an initial velocity vecv=v_(0)hati and is in a magnetic field vecB=B_(0)hatj . Then it's de-Broglie wavelength

Electron oving with different speeds enters a transverse uniform magnetic field. They will describe circular path

An electron is moving through a field. It is moving (i) opposite an electric field (ii) perpendicular to a magnetic field as shown. For each situation the de - Broglie wave length of electron

An electron is moving with the velocity equal to 10% of the velocity of light. Its de-Broglie wave length will be -

Two electrons are moving with the same speed v. One electron enters a region of uniform electric field while the other enters a region of uniform magnetic field,then after sometime if the de-Broglie wavelenths of the two are lambda_(1) and lambda_(2) then :

An electron moves in an electric field with a kinetic energy of 2.5 eV. What is the associated de Broglie wavelength?

MOTION-MODERN PHYSICS-PHYSICS
  1. The figure indicates the enegry level diagram of an atom and the origi...

    Text Solution

    |

  2. When a potential drop of V volt is applied on a stationary neutron. th...

    Text Solution

    |

  3. When an electron moving with constant speed enters in a magnetic field...

    Text Solution

    |

  4. The de Broglie wave present in fifth Bohr orbit is:

    Text Solution

    |

  5. A nucleus at rest undergoes a decay emitting an alpha -particle of de-...

    Text Solution

    |

  6. In previous question KE of daughter nucleous is -

    Text Solution

    |

  7. An electron is confined to a tube of length L. The electron’s potentia...

    Text Solution

    |

  8. An electron moving with a velocity of 10^(6) m//s in the X-direction ...

    Text Solution

    |

  9. If the thermal energy of a monoatomic gas molecules of mass m at tempe...

    Text Solution

    |

  10. The collector plate in an experiment of photoelectric effect is kept v...

    Text Solution

    |

  11. A surface does not eject electrons when illuminated with blue light. T...

    Text Solution

    |

  12. If work function of a metal is 2 eV and light of 1 eV is incident on t...

    Text Solution

    |

  13. A cesium photocell, with a steady potential difference of 60 V across ...

    Text Solution

    |

  14. Light corresponding in the transition n = 4 to n = 2 in hydrogen atoms...

    Text Solution

    |

  15. When light of sufficiently high frequency is incident on a metallic su...

    Text Solution

    |

  16. A non-monochromatic light is used in an experiment on photoelectric ef...

    Text Solution

    |

  17. A freshly cleaned zinc plate is connected to the top of a positively c...

    Text Solution

    |

  18. The frequency and intensity of a light source are both doubled. Consid...

    Text Solution

    |

  19. When stopping potential is applied in an experiment on photoelectric e...

    Text Solution

    |

  20. When the intensity of a light source is increased (a) the number of ...

    Text Solution

    |