Home
Class 12
PHYSICS
Light of a certain wavelength has a wave...

Light of a certain wavelength has a wave number `barv` in vacum. Its wave number in a medium of refractive index n is

A

`n/(bar v)`

B

`(bar v)/n`

C

`n barv`

D

`1/(n barv)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|43 Videos
  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|63 Videos
  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

Similar Questions

Explore conceptually related problems

The wavelength of a monochromatic light in vacuum is 4000 Å. It's wave number in glass of refractive index 1.6 is

If the wavelength of light in vacuum be lambda , the wavelength in a medium of refractive index n will be

The wavelength of light in vacuum is lambda . The wavelength of light in a medium of refractive index n will be

Monochromatic light of wavelength lambda_1 travelling in medium of refractive index n_1 enters a denser medium of refractive index n_2 . The wavelength in the second medium is

The wavelength of light having wave number 4000 cm is

A light of wavelength 6000 A travels from rarer medium to denser medium of refractive index 1.5, If its frequncy in rarer medium is 5 xx 10^(14) Hz, then its frequency in denser medium will be

If wavelength of a wave is lambda = 6000 Å .Then wave number will be

TARGET PUBLICATION-WAVE THEORY OF LIGHT -EVALUATION TEST
  1. Light of a certain wavelength has a wave number barv in vacum. Its wav...

    Text Solution

    |

  2. lamdaa and lamdam are the wavelengths of light in air and medium resp...

    Text Solution

    |

  3. A clear sheet of polaroid is placed on top of a similar sheet so that...

    Text Solution

    |

  4. Unpolarised light of internsity 32 Wm^(-2) passes through three polari...

    Text Solution

    |

  5. With what speed should a glaxy move with respect to us so that a certa...

    Text Solution

    |

  6. A beam of unpolarised light having flux 10^(-2) watt falls normally on...

    Text Solution

    |

  7. Assertion : If light is polarised by reflection, then the angle betwee...

    Text Solution

    |

  8. The speactral line emitted by a star, has a wavelength of 6800 Å when ...

    Text Solution

    |

  9. A cylindrical wavefront spreads form a line source which is comparable...

    Text Solution

    |

  10. A lens of focal length f gives diffraction pattern of Fraunhoffer type...

    Text Solution

    |

  11. A parallel beam of monochromatic light is incident on a glass slab at ...

    Text Solution

    |

  12. For passage of monochromatic beam of light in a medium of refractive i...

    Text Solution

    |

  13. Velocity of light in deamond is (2/5)^(th) that in air. Velocity of l...

    Text Solution

    |

  14. For navigatio purpose, in polar regions

    Text Solution

    |

  15. When a plane wavefront is incident on a double convex lens, the refrac...

    Text Solution

    |

  16. As a spherical wavefront propagates, the amplitude (a) of a spherical ...

    Text Solution

    |

  17. Assertion: Speed of light in glass is indep[endent of the colour of l...

    Text Solution

    |

  18. Assertion : Stars are often photographed with the help of telescope fi...

    Text Solution

    |

  19. Assertion : If theta is the angle between the planes of transmission ...

    Text Solution

    |

  20. Ordinary light incident on a glass slab at the polarising angle suffer...

    Text Solution

    |

  21. A mixture of plane polarised and unpolarised light falls normally on a...

    Text Solution

    |