Home
Class 12
PHYSICS
On a hypotenuse of a right prism (30^(@)...

On a hypotenuse of a right prism `(30^(@) – 60^(@) – 90^(@))` of refractive index 1.50, a drop of liquid is placed as shown in figure. Light is allowed to fall normall on the short face of the prism. In order that the ray of light may get totally reflected, the maximum value of refractive index is :

A

`1.30`

B

`1.47`

C

`1.20`

D

`1.25`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • QUESTION-PAPERS-2016

    BITSAT GUIDE|Exercise PHYSICS|40 Videos
  • QUESTION-PAPERS-2018

    BITSAT GUIDE|Exercise PHYSICS|40 Videos

Similar Questions

Explore conceptually related problems

A ray of light normally on one of the faces of a right-angled isosceles glass prism is found to be totally reflected. What is the minimum value of the refractive index of the material of the prism ?

ACB is right-angled prism with other angles as 60^(@) and 30^(@) . Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face Ac. For total internal reflection, maximum refractive index of the liquid is

A right-angled prism of apex angle 4^(@) and refractive index 1.5 is located in front of a vertical plane mirror as shown in figure. A horizontal ray of light is falling on the prism. Find the total deviation produced in the light ray as it emerges 2nd time from the prism.

A ray of light is incident normally on one face of 30^(@) - 60^(@) - 90^(@) prism of refractive index 5/3 immersed in water of refractive index 4/3 as shown in figure .

One face of a prism of refractive index 1.5 and angle 75^@ is covered with a liquid of refractive index (3 sqrt(2))/(4) . What should be the angle of incidence of light on the clear face of prism for which light is just totally reflected at the liquid covered face ?

A prism having an apex angle of 4^@ and refractive index of 1.50 is located in front of a vertical plane mirror as shown in the figure. A horizontal ray of light is incident on the prism. The total angle through which the ray is deviated is:

A ray of light is incident normally on one face of a prism as shown in figure. The refractive index of the material of the prism is (5)/(3) and the prism is immersed in water of refractive index (4)/(3) , then

BITSAT GUIDE-QUESTION-PAPERS-2017-PHYSICS
  1. A particle of mass m moving in the x direction with speed 2v is hit by...

    Text Solution

    |

  2. Steel wire of length 'L' at 40^@C is suspended from the ceiling and th...

    Text Solution

    |

  3. On a hypotenuse of a right prism (30^(@) – 60^(@) – 90^(@)) of refract...

    Text Solution

    |

  4. A tuning fork of frequency 392 Hz , resonates with 50 cm length of a s...

    Text Solution

    |

  5. Hydrogen (H), deuterium (D), singly ionized helium (He^(+)) and doubly...

    Text Solution

    |

  6. The following figure depicts two circular motions. The radius of the c...

    Text Solution

    |

  7. There are two sources kept at distances 2 lamda. A large screen is per...

    Text Solution

    |

  8. In the circuit shown in figure the current through

    Text Solution

    |

  9. A telescope has an objective lens of 10cm diameter and is situated at ...

    Text Solution

    |

  10. During vapourisation I. change of state from liquid to vapour state ...

    Text Solution

    |

  11. A wire is connected to a battery between the point M and N as shown in...

    Text Solution

    |

  12. A body moves in a circular orbit of radius R under the action of a cen...

    Text Solution

    |

  13. Two identical heavy spheres of equal mass are placed on a smooth cup ...

    Text Solution

    |

  14. A long, hollow conducting cylinder is kept coaxially inisde another lo...

    Text Solution

    |

  15. A thin but rigid semicircular wire frame of radius r is hinged at O an...

    Text Solution

    |

  16. Given that A + B = R and A = B = R. What should be the angle between A...

    Text Solution

    |

  17. The basic magnetization curve for a ferromagnetic material is shown in...

    Text Solution

    |

  18. Five gas molecules chosen at random are found to have speeds of 500,60...

    Text Solution

    |

  19. What is equivalent capacitance of circuit between points A and B?

    Text Solution

    |

  20. A cyclic process ABCD is shown in the figure P - V diagram. Which of t...

    Text Solution

    |