Home
Class 12
PHYSICS
If the energy of a particle is reduced t...

If the energy of a particle is reduced to one fourth, then the percentage increase in its de Broglie wavelength will be

A

`41%`

B

`141%`

C

`100%`

D

`71%`

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda alpha 1/sqrtE`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-I (H.W)|7 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -4|43 Videos

Similar Questions

Explore conceptually related problems

If the velocity of a particle is increased three times, then the percentage decrease in its de Broglie wavelength will be

If the kinetic energy of a particle is increased by 10 times, the percentage change in the de Broglie wavelength of the particle is

When the velocity of an electron increases, its de Broglie wavelength

If the kinetic energy of the particle is increased to 16 times its previous value , the percentage change in the de - Broglie wavelength of the particle is

If kinetic energy of an electron is increases by 69% then what is the percentage in its de-broglie wavelength :-

If kinetic energy of an electron is reduced by (1/9) then how many times its de Broglie wavelength will increase.

A proton is accelerated through a potential difference V. Find the percentage increase or decrease in its de-Broglie wavelength if potential difference is increased by 21 % .

The thermal energy of a particle at temperature T^@K is kT, then the associated de-Broglie wavelength will be :

NARAYNA-DUAL NATURE-LEVEL-II (H.W)
  1. When a metal surface is illuminated by a monochromatic light of wave-l...

    Text Solution

    |

  2. Ultraviolet light of wavelength 800 A and 700 A when allowed to fall ...

    Text Solution

    |

  3. In a photoelectric effect experiment, photons of energy 5eV are incide...

    Text Solution

    |

  4. The number of photons emitted per second by a 62W source of monochroma...

    Text Solution

    |

  5. Photons of frequencies 2.2xx10^(15) Hz and 4.6xx10^(15) Hz are inciden...

    Text Solution

    |

  6. If stopping potentials corresponding to wavelengths 4000A and 4500A ar...

    Text Solution

    |

  7. In a photoelectric experiment anode potential is ploted against plate ...

    Text Solution

    |

  8. An electron moves with a speed of sqrt3/2c. Then its mass becomes…. Ti...

    Text Solution

    |

  9. Photons of energy 2.0eV fall on a metal plate and release photoelectro...

    Text Solution

    |

  10. A proton when accelerated through a p.d of V volt has wavelength lambd...

    Text Solution

    |

  11. The momentum of photon of electromagnetic radiation is 3.3xx10^(-29)kg...

    Text Solution

    |

  12. If the energy of a particle is reduced to one fourth, then the percent...

    Text Solution

    |

  13. The de Broglie wavelength associated with an electron of velocity 0.3c...

    Text Solution

    |

  14. The two lines A and B in fig. show the photo electron of de Broglie wa...

    Text Solution

    |

  15. The uncertainity in the position of a particle is equal to the de-Brog...

    Text Solution

    |

  16. If the uncertainty in the position of proton is 6xx10^-8m, then the mi...

    Text Solution

    |

  17. From Davisson-Germer experiment an alpha particle and a proton are acc...

    Text Solution

    |