Home
Class 12
PHYSICS
In Davisson-Germer experiment, the corre...

In Davisson-Germer experiment, the correct relation between angle of diffraction and glancing angle is :

A

`theta=90^(@)-(phi)/(2)`

B

`theta=90^(@)+(phi)/(2)`

C

`theta=(phi)/(2)`

D

`theta=phi`

Text Solution

Verified by Experts

The correct Answer is:
A
`2theta+phi=180^(@)`
`:. theta=90^(@)-(phi)/(2)`
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS & PHOTONS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (LEVEL-III)|9 Videos

  • ELECTRONS & PHOTONS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|20 Videos

  • ELECTRONS & PHOTONS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|20 Videos

  • ELECTROMAGNETIC WAVES

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|4 Videos

  • ELECTROSTATICS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS |39 Videos

Similar Questions

Explore conceptually related problems

Choose the correct relation between l_1 and l_2 ?

Choose the correct relation between l_1 and l_2 ?

Obtain the relation between critical angle and refractive index .

In the Davisson-Germer experiment if the incident beam consists of electrons, then the diffracted beam consists of :

The relation between the refractive index and the critical angle of a medium is

A, B and C are three optical media of respective critical angles C_1, C_2 and C_3 . Total internal reflection of light can occur from A to B and also from B to C but not from C to A. Then, the correct relation between the critical angles is

The correct order of increasing bond angles in the following species is :

MODERN PUBLICATION-ELECTRONS & PHOTONS-MULTIPLE CHOICE QUESTIONS (LEVEL-II)
  1. The radiation emitted when an electron jumps from n=3 to n = 2 orbit i...

    Text Solution

    |

  2. A monochromatic light source of frequency villuminates a metallic surf...

    Text Solution

    |

  3. In Ques, 136, the frequency v of the source is :

    Text Solution

    |

  4. Let n(r) and n(b) be respectively the number of photons emitted by a r...

    Text Solution

    |

  5. For a particle of mass m enclosed in a one-dimentional box of length L...

    Text Solution

    |

  6. An electron accelerated under a potential difference V volt has a cert...

    Text Solution

    |

  7. In Davisson-Germer experiment, the correct relation between angle of d...

    Text Solution

    |

  8. The potential difference applied to an X-ray tube is 5kV and current i...

    Text Solution

    |

  9. The work function of a substance is 4.0 eV. The longest wavelength of ...

    Text Solution

    |

  10. A charged oil drop is suspended in a uniform field of 3xx10^(4) V/m so...

    Text Solution

    |

  11. Fig. shows variation of photocurrent with anode potential for photosen...

    Text Solution

    |

  12. An element with Z = 11 emits Kalpha-X-ray with wavelength lamda. The a...

    Text Solution

    |

  13. The wavelength of K(alpha) line of an X-ray spectrum of an element of ...

    Text Solution

    |

  14. The graph between the stopping potential (V(0)) and wave number (1//la...

    Text Solution

    |

  15. Electrons with de-Broglie wavelength lamda fall on the target in an X-...

    Text Solution

    |

  16. Direction : Question Numbers. 150 and 151 are based on the following p...

    Text Solution

    |

  17. Direction : Question Numbers. 150 and 151 are based on the following p...

    Text Solution

    |

  18. In an experiment, electrons are made to pass through a narrow slit of ...

    Text Solution

    |

  19. The surface of a metal is illuminated with the light of 400 nm. The ki...

    Text Solution

    |

  20. Photoelectric effect experiments are performed using three different m...

    Text Solution

    |