Home
Class 12
PHYSICS
A small ink dot on a paper is seen throu...

A small ink dot on a paper is seen through s glass slab of thickness `4 cm` and refractive index `1.5`. The dot appears to be raised by

A

`1 cm`

B

`2 cm`

C

`3 cm`

D

`1.33 cm`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    PRADEEP|Exercise Problems for practice|4 Videos
  • OPTICS

    PRADEEP|Exercise Comprehension 1|1 Videos
  • OPTICS

    PRADEEP|Exercise Value based questions|3 Videos
  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    PRADEEP|Exercise Competition Focus (Multiple Choice Questions)|2 Videos

Similar Questions

Explore conceptually related problems

A small ink dot on a paper is viewed through a glass slab of thickness 10 cm , and refractive index 1.5 . By what distance would the dot appear to be raised ?

A small ink dot on a paper is viewed through a glass slab of thickness 10cm and refractive index 1.5. By what distance would the dot appear to be raised?

An ink mark on a sheet of paper is viewed through a glass slab of thickness t and refractive index mu . Through what distance the mark appears to be raised ?

The time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is

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

An object is seen through a glass slab of thickness 36 cm and refractive index 3//2. The observer, and the slab are dipped in water (mu=4//3). The shift produced in the position of the object is

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 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

Two parallel rays are travelling in a medium of refractive index mu_(1)=4/3 . One of the rays passes through a parallel glass slab of thickness t and refractive index mu_(2)=3/2 The path difference between the two rays due to the glass slab will be

PRADEEP-OPTICS-Exercise
  1. What is the refractive index of a medium in which light travels with a...

    Text Solution

    |

  2. Refractive index of glass w.r.t water is 9//8. What is the speed of li...

    Text Solution

    |

  3. A small ink dot on a paper is seen through s glass slab of thickness 4...

    Text Solution

    |

  4. For total internal reflection, light must travel

    Text Solution

    |

  5. Optical fibers are based on the phenomenon of

    Text Solution

    |

  6. The relation governing refraction of light from rarer to denser medium...

    Text Solution

    |

  7. In the above question, the ralation remains the same whether (A) ima...

    Text Solution

    |

  8. The focal length of a double convex lens is equal to radius of curvatu...

    Text Solution

    |

  9. One dioptre is the power of a lens of facal length

    Text Solution

    |

  10. Two lenses of focal lengths 20 cm and - 40 cm are held in contact. The...

    Text Solution

    |

  11. Refraction of light is the phenomenon of………. When it…………. .

    Text Solution

    |

  12. The basic cause of refraction is…………in going…………. .

    Text Solution

    |

  13. The sun is visible to us before actual………….and after………. . This is bec...

    Text Solution

    |

  14. Total internal reflection of light is the phenomenon of………..into……..fr...

    Text Solution

    |

  15. For toat internal reflection, light must travel……………to………….. .

    Text Solution

    |

  16. Total internal reflection will occure only when………………in………….medium is…...

    Text Solution

    |

  17. Mirage is accounted for by………….. .

    Text Solution

    |

  18. When reflection occurs from denser to………….., then (mu(2))/(mu(1)) = ……...

    Text Solution

    |

  19. For a double convex lens R(1) is………….. And R(2) is…………… . Therefore, i...

    Text Solution

    |

  20. One dioptre is……………of focal length……… .

    Text Solution

    |