Home
Class 12
PHYSICS
A proton has kinetic energy E = 100 keV ...

A proton has kinetic energy E = 100 keV which is equal to that of a photon. The wavelength of photon is `lamda_(2)` and that of proton is `lamda_(1)`. The ratio of `lamda_(2)//lamda_(1)` is proportional to

A

`K^2`

B

`K^(1//2)`

C

`K^(-1)`

D

`K^(-1//2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    MTG GUIDE|Exercise AIPMT/ NEET MCQs|30 Videos

  • DUAL NATURE OF MATTER AND RADIATION

    MTG GUIDE|Exercise NEET Cafe Topicwise Practice Questions (DAVISSON AND GERMER EXPERIMENT)|2 Videos

  • CURRENT ELECTRICITY

    MTG GUIDE|Exercise MCQs AIPMT / NEET|32 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MTG GUIDE|Exercise AIPMT/NEET MCQS|31 Videos

Similar Questions

Explore conceptually related problems

A proton has kinetic energy E = 100 keV which is equal to that of a photo is lambda_(1) . The ratio of k_(2) // lambda_(1) is proportional to

A proton with KE equal to that a photono (E = 100 keV). lambda_(1) is the wavelength of proton and lambda_(2) is the wavelength of photon. Then lambda_(1)/lambda)_(2) is proportional to:

Momentum of a photon of wavelength lamda is

The energy of a photon is E which is equal to the kinetic energy of a proton.If lambda1 be the de-Broglie wavelength of the proton and lambda2 be the wavelength of the photon,then the ratio (lambda_(1))/(lambda_(2)) is proportional to

The energy of a photon is equal to the kinetic energy of a proton. The energy of the photon is E. Let lambda_1 be the de-Broglie wavelength of the proton and lambda_2 be the wavelength of the photon. The ratio (lambda_1)/(lambda_2) is proportional to (a) E^0 (b) E^(1//2) (c ) E^(-1) (d) E^(-2)

The energy of a photon is equal to the kinetic energy of a proton. If lamda_(1) is the de-Broglie wavelength of a proton, lamda_(2) the wavelength associated with the proton and if the energy of the photon is E, then (lamda_(1)//lamda_(2)) is proportional to

The energy of a photon of wavelength lamda is given by

For Balmer series, wavelength of first line is lamda_(1) and for Brackett series, wavelength of first line is lamda_(2) then (lamda_(1))/(lamda_(2))

The wavelength lamda_(e) of ann electron and lamda_(p) of a photon of same energy E are related by

A doubly ionised Li atom is excited from its ground state(n = 1) to n = 3 state. The wavelengths of the spectral lines are given by lamda_(32), lamda_(31) and lamda_(21) . The ratio l_(32)//lamda_(31) and l_(21)//l_(31) are, respectively

MTG GUIDE-DUAL NATURE OF MATTER AND RADIATION -CHECK YOUR NEET VITALS
  1. The work function of a substance is 3.68 eV. The longest wavelength of...

    Text Solution

    |

  2. The collector plate in an experiment on photoelectric effect is kept v...

    Text Solution

    |

  3. If K(1) and K(2) are maximum kinetic energies of photoelectrons emitte...

    Text Solution

    |

  4. An e-m wave of wavelength lambda is incident on a photo sensitive surf...

    Text Solution

    |

  5. If the kinetic energy of a particle is increased by 10 times, the perc...

    Text Solution

    |

  6. Light of frequency 7.21xx10^(14)Hz is incident on a metal surface. Ele...

    Text Solution

    |

  7. When a monochromatic point source of light is at a distance of 0.2 m f...

    Text Solution

    |

  8. A proton has kinetic energy E = 100 keV which is equal to that of a ph...

    Text Solution

    |

  9. Consider a metal exposed to light of wavelength 600nm. The maximum ene...

    Text Solution

    |

  10. Photoelectric emission occurs only when the incident light has more th...

    Text Solution

    |

  11. In the Davisson and Germer experiment , the velocity of electrons emit...

    Text Solution

    |

  12. According to Einstein's photoelectric equation, the plot of the maximu...

    Text Solution

    |

  13. A photo-cell is illuminated by a source of light which is placed at a ...

    Text Solution

    |

  14. A photon of energy E ejects a photoelectron from a metel surface whose...

    Text Solution

    |

  15. In a photon-electron collision ……………………. .

    Text Solution

    |

  16. Consider a beam of electrons (each electron with energy E(0)) incident...

    Text Solution

    |

  17. A proton, a neutron, an electron and an alpha-particle have same energ...

    Text Solution

    |

  18. A beam of cathode rays is subjected to crossed electric (E ) and magn...

    Text Solution

    |

  19. A source S(1) is producing 10^(15) photons/s of wavelength 5000 Å Anot...

    Text Solution

    |

  20. The potential difference that must be applied to stop the fastest phot...

    Text Solution

    |