Home
Class 12
PHYSICS
A parallel beam of white of white light ...

A parallel beam of white of white light falls on a thin film whose refractive index is 1.33. If angle of incidence is `52^(@)` then thickness of the film for the reflected light to be coloured yellow `(lambda=6000Å)` most intensively must be :

A

`14 (2n + 1)m`

B

`1.4(2n + 1)m`

C

`0.14(2n + 1)m`

D

`142(2n+1)m`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|27 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|28 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQ Single Option Correct|35 Videos
  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos
  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

A parallel beam of white light falls on a thin film whose refractive index is equal to 4//3 . The angle of incidence i=53^(@) What must be the minimum film thickness, if the reflected light is to be coloured yellow (lambda "of yellow" =0.6mum) most intensity ? (tan 53^(@)=4//3)

A parallel beam of light of wavelength 560 nm falls on a thin film of oil (refractive index = 1.4). What should be the minimum thickness of the film so that it strongly S4 T z reflects the light ?

A parallel beam of light of wavelenght 560 nm falls on a film of oil (refractive index =1.4 ). What should be the minimum thickness of the film so that it weakly transmits the light ?

A parallel beam of white light falls from air on a thin film whose refractive index is sqrt ( 3) . The medium on both sides of the film is air. The angle of incdidence is 60^(@) . Find the minimum film thickness if reflected light is most intense for lambda" = 600 nm" .

White light is incident normally on a thin glass plate of refractive index 1.5. Calculate the minimum thickness of the film for which the wavelength 4200 Å is absent for the reflected light.

The colours seen in the reflected white light from a thin oil film are due to

A light of wavelength 5890Å falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light is

PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Numerical MCQs Single Options Correct
  1. If light with wavelength 0.50 mm falls on a slit of width 10 mm and at...

    Text Solution

    |

  2. Angular width of central maxima in the Fraunhofer diffraction pattern ...

    Text Solution

    |

  3. A parallel beam of white of white light falls on a thin film whose ref...

    Text Solution

    |

  4. Light wavelength 6000 Å is incident normally on a slit of width 24xx10...

    Text Solution

    |

  5. The interference fringes for sodium light (lambda = 5890 Å) in a doubl...

    Text Solution

    |

  6. In YDSE using monochromatic light the fringe pattern shifts by a certa...

    Text Solution

    |

  7. In a two slit experiment with monochromatic light fringes are obtained...

    Text Solution

    |

  8. A monochromatic light of lambda=500 nm is incident on two identical sl...

    Text Solution

    |

  9. In a YDSE, the separation between slits is 2 mm where as the distance ...

    Text Solution

    |

  10. A double-slit apparatus is immersed in a liquid of refractive index 1....

    Text Solution

    |

  11. In a YDSE arrangement, incident yellow light is composed of two wavele...

    Text Solution

    |

  12. When light is incident on a soap film of thickness 5 xx 10^(-5)cm, wav...

    Text Solution

    |

  13. A ray of unpolarised light is incident on a glass plate of refractive ...

    Text Solution

    |

  14. First diffraction minima due to a single slit of width 1.0 xx 10^(-5)c...

    Text Solution

    |

  15. Light of wavelength 6328 Å is incident normally on a slit of width 0.2...

    Text Solution

    |

  16. Light of wavelength lambda is incident on a slit. First minima of the ...

    Text Solution

    |

  17. A slit 5 cm wide when irradiated by waves of wavelength 10 mm results ...

    Text Solution

    |

  18. In Young's double slit experiment, ten slits separated by a distance o...

    Text Solution

    |

  19. A star is moving away from earth and shift in spectral line of wavelen...

    Text Solution

    |

  20. In two separate set-ups of the Young's double slit experiment, fringes...

    Text Solution

    |