Home
Class 12
PHYSICS
The apparent depth of water in cylindric...

The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm/minute when water is being drained out at a constant rate. The amount of water drained in c.c. per minute is `(n_(1)=" refractive index of air, "n_(2)=" refractive index of water")`

A

`x pi R^(2)n_(1)//n_(2)`

B

`xpiR^(2)n_(2)//n_(1)`

C

`2piRn_(1)//n_(2)`

D

`piR^(2)x`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) MORE THAN ONE CORRECT TYPE QUESTIONS)|7 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) LINKED COMPREHENSION TYPE QUESTIONS)|9 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)|17 Videos

  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

Similar Questions

Explore conceptually related problems

The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm // min when water is being drained out at a constant rate. The amount of water drained in c.c. per minute is (n_(1)= refractive index of air, n_(2)= refractive index of water )

The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm // min when water is being drained out at a constant rate. The amount of water drained in c.c. per minute is (n_(1)= refractive index of air, n_(2)= refractive index of water )

The apparent depth of ater in water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm//min when is being drined out a constant rate. The amount of water drained in cc//min is ( n_1= refractive index of air, n_2= refractive index of water)

Water running in a cylindrical pipe of inner diameter 7 cm, is collected in a container at the rate of 192.5 litres per minute. Find the rate flow of water in the pipe in km/hr.

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is (refractive index of water =1.33 )

Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm , when it is completely immersed in water.

Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm , when it is completely immersed in water.

The refractive index of water is (4)/(3) and glass is 3/2 . What is the refractive index of glass with respect to water ?

A gardener waters the plants by a pipe of diameter 1 cm . The water comes out at the rate of 20 cc/s . The reactionary force exerted on the hand of the gardener is

A cylindrical water tank of diameter 2.8 m and height 4.2 m is being fed by a pipe of diameter 7 cm through which water flows at the rate of 4 m s^(-1). Calculate, in minutes, the time it takes to fill the tank

AAKASH SERIES-GEOMETRICAL OPTICS-LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. The apparent depth of an object O from AB is

    Text Solution

    |

  2. A point source S is placed at the bottom of different layers as shown ...

    Text Solution

    |

  3. A person looking through a telescope focuses lens at a point on the ed...

    Text Solution

    |

  4. x-y plane separates two media, zge0 contains a medium of refractive i...

    Text Solution

    |

  5. A body weighs w Newton on the surface of the earth. Its weight at a he...

    Text Solution

    |

  6. The graph between sine of angle of refraction (sin r) in medium 2 and ...

    Text Solution

    |

  7. A cubic container is filled with a liquid whose refractive index incre...

    Text Solution

    |

  8. Four similar prisms of angle of prism are arranged. Which of the follo...

    Text Solution

    |

  9. A light ray is incident upon a prism in minimum deviation position and...

    Text Solution

    |

  10. A ray of light strikes a plane mirror at an angle of incidence 45^@ as...

    Text Solution

    |

  11. The xz plane separates two media A and B with refractive indices mu(1)...

    Text Solution

    |

  12. A microscope is focussed on a point object, and then its objective is ...

    Text Solution

    |

  13. It is found that electromagnetic signals sent inside glass sphere from...

    Text Solution

    |

  14. A light ray is incident on a transparent slab of refractive index mu=s...

    Text Solution

    |

  15. The time required for the light to go from A to B, when a ray of lilgh...

    Text Solution

    |

  16. The apparent depth of water in cylindrical water tank of diameter 2R c...

    Text Solution

    |

  17. A ray of light travels from a medium of refractive index mu to air. It...

    Text Solution

    |

  18. A man of height 1.47 m stands on a straight road on a hot day. The ver...

    Text Solution

    |

  19. A glass slab of thickness 3 cm and refractive index 3/2 is placed on i...

    Text Solution

    |

  20. Solar rays are incident at 45^(@) on the surface of water (mu=4//3). T...

    Text Solution

    |