Home
Class 12
PHYSICS
A ray of light is incident normally on a...

A ray of light is incident normally on a glass slab of thickness 5 cm and refractive index 1.6. The time taken to travel by a ray from source to surface of slab is same as to travel through glass slab. The distance of source from the surface is

A

4 cm

B

8 cm

C

12 c m

D

16 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos
  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|43 Videos
  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

Similar Questions

Explore conceptually related problems

The time taken by a ray of light to travel through a glass slab of thickness 2 cm and refractive index 1.5 will be

A beam of light of wavelength 6400 Å is incident normally on a parallel glass plate of 5cm thick and R.I. 1.6. The beam takes the same time to travel from source to incident surface and through the glass plate. The distance of source from incident surface is

A ray of light 10^(-9) second to cross a glass slab of refractive index 1.5. The thickness of the slab will be

A ray of light passes throught a plane glass slab of thickness t and refractive index mu = 1.5 . The angle between incident ray and emergent ray will be

A ray of light is incident on a glass slab at an angle of 45^(@) . If refractive index of glass be 1.6, what is the angle of refraction ?

A ray of light is incident on a glass slab of thickness t, at an angle i,r is the angle of refraction in the glass slab. Distance travelled in the glass slab is

A ray of light is incident on a glass slab of refractive index 1.5, making an angle of 40^(@) with the surface. The angle of refraction in glass is

A ray of light is inciden rormally on a glass slab of refractive index mu of thckness 'd' which is at a distance x from the glass. The ray of light takes same time to reach from source to slab and to reach from sorce to slab and to pass through the slab. The thickness of the slab is

TARGET PUBLICATION-WAVE THEORY OF LIGHT -COMPETITIVE THINKING
  1. The ratio of velocities of light in glass that in whater is ( refract...

    Text Solution

    |

  2. Time taken by the light ot travel through 5 cm orf glass is same is ...

    Text Solution

    |

  3. A ray of light is incident normally on a glass slab of thickness 5 cm ...

    Text Solution

    |

  4. A paralel beam of monochromatic light is incident on a glass slab at a...

    Text Solution

    |

  5. Light travels through a glass plate of thickness t and refractive inde...

    Text Solution

    |

  6. The time taken by the sunlight to reach the bottom of a tank of depth...

    Text Solution

    |

  7. When the same monochromatic ray of light travels through glass slab...

    Text Solution

    |

  8. V(0) and V(E) represent the velocities, m0 and mE the refractive indi...

    Text Solution

    |

  9. Through which character we can distiguish the light waves from sound w...

    Text Solution

    |

  10. Which of the following cannot be polarised?

    Text Solution

    |

  11. In the propagation of electromagnetic waves the angle between the dire...

    Text Solution

    |

  12. When a plane polarised light is passed through an analyser and analyse...

    Text Solution

    |

  13. A beam of light AO is incident on a glass slab (mu=1.54) in a directio...

    Text Solution

    |

  14. An optically active compound

    Text Solution

    |

  15. From Brewster's law, except for polished metallic surfaces, the polari...

    Text Solution

    |

  16. Unpolarised light is incident from air on a plane surface of a materia...

    Text Solution

    |

  17. The deviation produced when light wave is incident on a denser medium ...

    Text Solution

    |

  18. The polarising angle of glass is 57^(@) . A ray of light which is inci...

    Text Solution

    |

  19. The Brwster angle of the glass-air interface is 54.74^(@). If a ray ...

    Text Solution

    |

  20. A ray of lighyt is incident at an angle I on a glass slab of refractiv...

    Text Solution

    |