Home
Class 12
PHYSICS
When a compact disc is illuminated by a ...

When a compact disc is illuminated by a source of white light, coloured lines are observed. This is due to

A

Dispersion

B

Diffraction

C

Interference

D

Refraction

Text Solution

Verified by Experts

The correct Answer is:
B
Diffraction
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise ASSERTION & REASON |27 Videos

  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (EM Waves )|40 Videos

  • RAY OPTICS

    ERRORLESS|Exercise Assertion & Reason|30 Videos

Similar Questions

Explore conceptually related problems

What colours make up white light ?

Mark the statement true or false : (a) In Young's double slit expt, performed with a source of white light, only black and white fringes are observed. (b) Two slits in Young's double slit expt are illuminated by by two different sodium lamps emitting light of same wavelength. No interference pattern will be obtained.

In a Young's double slit experiment performed with a source of white light, only black and white fringes are observed.

A photoelectric cell is illuminated by a point source of light 1 m away. When the source is shifted to 2 m then

A photoelectric cell is illuminated by a point source of light 1 m away . When the source is shifted to 2 m then

When the light source is moving towards an observer,

A white screen illuminated by green and red light appears to be

ERRORLESS-WAVE OPTICS AND ELECTROMAGNETIC THEORY-PAST YEARS QUESTIONS
  1. In young's double slit experiment the separation d between the slits i...

    Text Solution

    |

  2. In a double slit experiment, when light of wavelength 400 nm was used,...

    Text Solution

    |

  3. When a compact disc is illuminated by a source of white light, coloure...

    Text Solution

    |

  4. A parallel beam of fast moving electrons is incident normally on a nar...

    Text Solution

    |

  5. In a Fraunhofer diffraction at single slit of width d with incident li...

    Text Solution

    |

  6. For a parallel beam of monochromatic light of wavelength 'lambda' diff...

    Text Solution

    |

  7. A linear aperture whose width is 0.02cm is placed immediately in front...

    Text Solution

    |

  8. In case of linearly polarised light, the magnitude of the electric fie...

    Text Solution

    |

  9. Which of the following diagrams represent the veriation of electric fi...

    Text Solution

    |

  10. The graph showing the dependence of intensity of transmitted light on ...

    Text Solution

    |

  11. Unpolarised light is incident from air on a plane surface of a meteria...

    Text Solution

    |

  12. Two Polaroids P(1) and P(2) are placed with their axis perpendicular t...

    Text Solution

    |

  13. Out of the following options which one can be used to produce a propag...

    Text Solution

    |

  14. The ratio of amplitude of magnetic field to the amplitude of electric ...

    Text Solution

    |

  15. The electric field on an electromagnetic wave in free space is given b...

    Text Solution

    |

  16. The electric field associated with an electromagnetic wave in vacuum i...

    Text Solution

    |

  17. A wave travelling in the +ve x-direction having displacement along y-d...

    Text Solution

    |

  18. Light with an enargy flux of 25xx10^(4) Wm^(-2) falls on a perfectly r...

    Text Solution

    |

  19. A radiation of energy 'E'falls normally on a perfectly reflecting surf...

    Text Solution

    |

  20. The electric and the magnetic field, associated with an e.m. wave prop...

    Text Solution

    |