Home
Class 12
PHYSICS
One side of a glass slab is silvered as ...

One side of a glass slab is silvered as shown in the figure. A ray of light is incident on the other side at angle of incidence `45^@.` Refractive index of glass is given as `sqrt2`. The deflection suffered by the ray when it comes out of the slab is

A

`90^@`

B

`180^@`

C

`120^@`

D

`45^@`

Text Solution

Verified by Experts

The correct Answer is:
A
`mu=sin i/sin r rArr sqrt2=sin45^@/sin r or r=30^@`

`delta_(Total)=delta_A-delta_B+delta_C`
`=(45^@-30^@)-[180^@-2(30^@)]+(45^@-30^@)`
`=-90^@ or |delta_(Total)|=90^@`
Promotional Banner

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Objective Questions|1 Videos

  • REFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Level 1 Subjective|29 Videos

  • REFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Level 1 Assertion And Reason|13 Videos

  • REFLECTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Subjective|9 Videos

  • SEMICONDUCTORS

    DC PANDEY ENGLISH|Exercise Subjective|12 Videos

Similar Questions

Explore conceptually related problems

One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence i=45^(@) . Refractive index of glass is given as 1.5 . The deviation of the ray of light from its initial path when it comes out of the slab is

One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence i = 45^(@) . Refractive index of glass a is given as 1.5. The diviation of the ray of light from its initial path when it comes out of the slab is

Refractive index of a glass cube is sqrt(2) . A ray of light is incident on left face of the cube as shown. Right face of a glass cube is silvered. If the total deviation suffered by the ray when it comes out of the glass cube is 45n (in degree) then find n :

A trianglular prims of glass is shown in the figure. A ray incident normally to one face is totally reflected. If theta=45^(@) the refractive index of glass is

A ray of light in incident on a glass plate at an angle of 60^@ . What is the refractive index of glass if the reflected and refracted rays are perpendicular to each other?

A ray of light is incident perpendicularly on a glass slab. The angle of incidence is 90^(0) .

A ray of light is incident normally on one of the faces of a prism of apex angle 30 degree and refractive index sqrt2 . The angle of deviation of the ray in degrees is

A ray of light is incident on a glass sphere of refractive index 3/2. What should be the angle of incidence so that the ray which enters the sphere does not come out of the sphere ?

A ray of light is incident on the surface of a glass plate of refractive index sqrt(3) at the polarising angle . The angle of incidence and angle of refraction of the ray is

A ray of light-is incident on glass at the polarising angle ip. Find the angle between the reflected and refracted rays.

DC PANDEY ENGLISH-REFRACTION OF LIGHT-Level 1 Objective
  1. The refracting angle of a prism is A and refractive index of the mater...

    Text Solution

    |

  2. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

    Text Solution

    |

  3. The focal length of a combination of two lenses is doubled if the sep...

    Text Solution

    |

  4. A convexo-concave convergent lens is made of glass of refractive index...

    Text Solution

    |

  5. An optical system consists of a thin convex lens of focal length 30 cm...

    Text Solution

    |

  6. In the figure shown, the angle made by the light ray with the normal i...

    Text Solution

    |

  7. For refraction through a small angled prism, the angle of minimum devi...

    Text Solution

    |

  8. A ray of light passes from vaccum into a medium of refractive index n....

    Text Solution

    |

  9. A thin convex lens of focal length 30 cm is placed in front of a plane...

    Text Solution

    |

  10. One side of a glass slab is silvered as shown in the figure. A ray of ...

    Text Solution

    |

  11. A prism has refractive index sqrt((3)/(2)) and refractive angle 90^@. ...

    Text Solution

    |

  12. In figure, an air lens of radius of curvature of each surface equal to...

    Text Solution

    |

  13. A point object is placed at a distance of 12 cm from a convex lens of ...

    Text Solution

    |

  14. An object, a convex lens of focal length 20 cm and a plane mirror are ...

    Text Solution

    |

  15. The prism shown in figure has a refractive index of 1.60 and the angle...

    Text Solution

    |

  16. A prism having refractive index sqrt2 and refractive angle 30^@ has on...

    Text Solution

    |

  17. The image for the converging beam after refraction through the curved ...

    Text Solution

    |

  18. A concavo-convex lens is made of glass of refractive index 1.5. The ra...

    Text Solution

    |

  19. From the figure shown, establish a relation between mu1,mu2,and mu3

    Text Solution

    |

  20. When light of wavelength lambda is incident on an equilateral prism, k...

    Text Solution

    |