Home
Class 12
PHYSICS
A beam of light strikes a surface at an...

A beam of light strikes a surface at angle of incidence of `60^(@)` and reflected beam becomes completely polarised . The refractive index of glass surface is -

A

`1.5`

B

`sqrt3`

C

2

D

`(1)/(sqrt3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`mu = tan^(-1) (60^(@)) = sqrt3`
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 1

    CAREER POINT|Exercise PART (B) - CHEMISTRY|29 Videos

  • MAJOR TEST

    CAREER POINT|Exercise PHYSICS|30 Videos

  • MOCK TEST 10

    CAREER POINT|Exercise PART (B) - CHEMISTRY|30 Videos

Similar Questions

Explore conceptually related problems

A beam of light strikes a glass plate at an angle of incident 60^(@) and reflected light is completely polarised than the refractive index of the plate is-

When light of particular wavelength falls on a plane surface at an angle of incidence 60^(@) then the reflected light becomes completely plane polarised Find the refractive index of surface material and the angle of refraction through it.

A beam of light travelling in water strikes a glass plate, which is also immersed in water. When the angle of incidence is 51^@ , the reflected beam is found to be plane polarised . What is the refractive index of glass if the refractive index of water is (4)/3 ? [tan 51^(@)=1.235]

Light is incident at an angle i on a glass slab. If the reflected ray is completely polarised , then the angle of refraction is

A parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^(@) . Find the ratio of width of the beam in the glass to that in the air if refractive index of glass is 3//2 .

CAREER POINT-MOCK TEST 1-PART (B) - CHEMISTRY
  1. A beam of light strikes a surface at angle of incidence of 60^(@) and...

    Text Solution

    |

  2. Which method of purificationis represented by the following equations ...

    Text Solution

    |

  3. A fire work gave brick red colour . It probably contained a salt of -

    Text Solution

    |

  4. About H(2)SO(4) , which of the following statements is incorrect ?

    Text Solution

    |

  5. The property of halogen acids , that indicated incorrect is -

    Text Solution

    |

  6. Which of the following will be the major product when 3 - phenylpropen...

    Text Solution

    |

  7. The major product formed in the reaction is - CH(3)CHClCH(2)CH(2)OH ...

    Text Solution

    |

  8. Consider the following sequence of reactions . The final product ...

    Text Solution

    |

  9. For the redox reaction , MnO(4)^(-) + C(2)O(4)^(-2) + H^(+) to Mn^...

    Text Solution

    |

  10. The density of gas A is twice that of B at the same temperature the mo...

    Text Solution

    |

  11. I(2)(s)|I^(-)(0.1M) half cell is connected to a H^(+) (aq)|H(2)(1 bar)...

    Text Solution

    |

  12. Which of the following statement is/are correct ? I . The ligand th...

    Text Solution

    |

  13. A six coordination complex of formula CrCl(3)*6H(2)O has green colour....

    Text Solution

    |

  14. Which one of the following ions exhibit highest magnetic moment ?

    Text Solution

    |

  15. Which of the following gaseous molecule is non-linear ?

    Text Solution

    |

  16. Select incorrect order

    Text Solution

    |

  17. In psi(321), the sum of angular momentum, spherical nodes and angular ...

    Text Solution

    |

  18. A solid is formed and it has three types of atoms X, Y and Z, X forms ...

    Text Solution

    |

  19. The heat of formation of NH(3)(g) is -46 " kJ mol"^(-1). The DeltaH (i...

    Text Solution

    |

  20. NH(4)HS(s)hArrNH(3)(g)+H(2)S(g) The3 equilibrium pressure at 25^(@)C ...

    Text Solution

    |

  21. Calculate depression of freezing point for 0.56 molal aq. Solution of ...

    Text Solution

    |