Home
Class 12
PHYSICS
The angle of a prism is A , One of its r...

The angle of a prism is A , One of its refracting surface is slivered . Light rays falling at an angle of incidence 2A on the first surface returns back through the same pathe after suffering reflection at the silvered surface. The refractive index `mu` of the prism is:

A

2 sin A

B

2 cos A

C

`1/2 cos A`

D

tan A

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    SARAS PUBLICATION|Exercise EXAMPLE|42 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    SARAS PUBLICATION|Exercise EXAMPLE|29 Videos

Similar Questions

Explore conceptually related problems

Light ray falls at normal incidence on the first face of an equilateral prism and emergres gracing the second face. What is the angle of deviation? What is the refractive indec of the material of the prism?

Find the angle of deviation suffered by the light ray shown in figure. The refractive index mu= 2.0 for the prism material.

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^(@) so that it just suffers total internal reflection at the other face ? The refractive index of the material of the prism is 1.524

A ray light fall on a plane surface at an angle of incidence 9^@ and reflection occurs. Calculate the angle of reflection in degree.

The angle of incidence for a ray of light of a refracting surface of at prism is 45^@ . The angle of prism is 60^@ . If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are

A ray of light is incident at 60^(@) on one face of a prism of angle 30^(@) and the emergent ray makes 30^(@) with the incident ray.the refractive index of the prism is

A ray of light incident normally on to one face just grazes through the second face of the glass prism of refractive index (3)/(2) . Calculate the angle of the prism .

The angle of a prism is 6^(@) and its refractive index for green light is 1.5. If a green ray passes through it, the deviation will be

The refracting angle of a prims is A,and refraction index of the material of the prism is cot (A//2) The angle of minimum deviation is

Consider the situation shown in figure. Find the maximum angle theta for which the light suffers total internal reflection at the vertical surface.

SARAS PUBLICATION-DUAL NATURE OF MATTER AND RADIATION-EXAMPLE
  1. For photoelectric emission from certain metal the cut -off frequency i...

    Text Solution

    |

  2. In young's double slit experiment , the slits are 2mm apart and are il...

    Text Solution

    |

  3. A parallel beam of fast moving electron is incident normally on a narr...

    Text Solution

    |

  4. An electron in hydrogen atom makes a transition n1 rarr n2 Where n1 an...

    Text Solution

    |

  5. The de- Broglie wavelength of neutrons in thermal equilibrium at temp...

    Text Solution

    |

  6. A certain number of spherical drops a liquid of radius r coalesce to f...

    Text Solution

    |

  7. The angle of a prism is A , One of its refracting surface is slivered ...

    Text Solution

    |

  8. When the energy of the incident radiation is increased by 20%, the kin...

    Text Solution

    |

  9. A photoelectric surface is illuminated successively by monochromatic l...

    Text Solution

    |

  10. On observing light from three different stars P,Q and R , it was found...

    Text Solution

    |

  11. Consider 3rd orbit of He+ (Helium), using non- relativistic approach, ...

    Text Solution

    |

  12. Which of the following figures represent the variation of particle mom...

    Text Solution

    |

  13. A certain metallic surface is illuminated with manochromatic light of ...

    Text Solution

    |

  14. Electrons of mass m with de - Broglie wavelength , lambdafall on the t...

    Text Solution

    |

  15. Photons with energy 5eV are incident on a cathode C in a photoelectric...

    Text Solution

    |

  16. When a metallic surface is illuminated with radiation of wavelength la...

    Text Solution

    |

  17. An electron of mass m and photon have same energy E. The ratio of de-B...

    Text Solution

    |

  18. The de- Broglie wavelength of neutrons in thermal equilibrium at temp...

    Text Solution

    |

  19. The photoelectric threshold wavelength of silver is 3250xx 10^(-10)m ....

    Text Solution

    |

  20. The ratio of wavelengths of the last line of Balmer series and the las...

    Text Solution

    |