Home
Class 12
PHYSICS
How much water should be filled in a con...

How much water should be filled in a container of height `21 cm,` so that it appears half filled to the observer when viewed from the top of the container `(mu=4//3).`

A

8 cm

B

10.5 cm

C

12 cm

D

14 cm

Text Solution

Verified by Experts

The correct Answer is:
D

`h/mu=21/2:h=14cm`
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (H.W)(REFRACTION THROUGH SPHERICAL SURFACES)|5 Videos
  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (H.W)(LENSES & THEIR COMBINATIONS)|23 Videos
  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (H.W)(REFLECTION)|15 Videos
  • NUCLEI

    NARAYNA|Exercise ASSERTION & REASON|5 Videos
  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

Similar Questions

Explore conceptually related problems

How much water (in cm) should be filled in a container of height 12 cm, so that it appears half filled to the observer when viewed from the top of the container (mu=4//3) .

How much water should be filled in a container 21 cm in height, so that it appaers half filled when viewed from the top of the contaier? [Given that : _(a) mu _(w) = (4)/(3) ]

A container of filled with water to a height of 10 m. The pressure exerted by the water at the bottom of the container is _________ .

Water is filled in a container upto height 3m. A small hole of area 'a' is punched in the wall of the container at a height 52.5 cm from the bottom. The cross sectional area of the container is A. If a//A=0.1 then v^2 is (where v is the velocity of water coming out of the hole)

A beaker contains water up to a height h_1 and K oil above water up to another height h_2. Find the apparent shift in the position of the bottom of the beaker when viewed from above. Refractive index of water is mu_1 and that of K.oil is mu_2 .

NARAYNA-RAY OPTICS AND OPTICAL INSTRAUMENTS -EXERCISE-2 (H.W)(REFRACTION)
  1. The refractive index of glass plate is 3/2. Then the correct thickness...

    Text Solution

    |

  2. The wavelength of light in vacuum is 5000 overset(o)(A). When it trave...

    Text Solution

    |

  3. If the refractive index of diamond is 2.4 find the velocity of light i...

    Text Solution

    |

  4. Refractive index of water with respect to air is sqrt(2). Alight ray i...

    Text Solution

    |

  5. If hat(i) denotes a unit vector along incident light ray, hat( r) a un...

    Text Solution

    |

  6. A small air bubble is inside a transparent cube of side length 24 cm a...

    Text Solution

    |

  7. A ray of light is incident upon a parallel sided transparent slab of t...

    Text Solution

    |

  8. A vessel of depth d is half filled with a liquid of refractive index m...

    Text Solution

    |

  9. The critical angle for light going from medium X into medium Y is thet...

    Text Solution

    |

  10. Light takes t(1) second to travel a distance x cm in vacuum and the sa...

    Text Solution

    |

  11. A fish looks upward at an unobstructed overcast sky. What total angle ...

    Text Solution

    |

  12. In a swimming pool, a person is viewing outside objects by keeping an ...

    Text Solution

    |

  13. A ray of light from a rarer medium strikes a denser medium at angle of...

    Text Solution

    |

  14. A light ray is incident perpendicularly to one face of a 90° prism and...

    Text Solution

    |

  15. Word ‘Newton’s printed on a paper and is placed on a horizontal surfac...

    Text Solution

    |

  16. The critical angle for refraction from glass to air is 30° and that fr...

    Text Solution

    |

  17. The refractive index of the core of an optical fibre is mu(2) and that...

    Text Solution

    |

  18. When a ray of light enters from one medium to another then its velocit...

    Text Solution

    |

  19. A ray of light passes through four transparent media with refractive i...

    Text Solution

    |

  20. How much water should be filled in a container of height 21 cm, so tha...

    Text Solution

    |