Home
Class 10
PHYSICS
A tank of water is 4 m deep. How deep do...

A tank of water is 4 m deep. How deep does it appear when seen normally?

Text Solution

Verified by Experts

As refractive index `=(4)/(3)= ("real depth" (x))/("apparent depth" (y)), y=(3x)/(4)= 3xx(4)/(4)=3m`
The tank appears to be 3 m deep only.
Promotional Banner

Topper's Solved these Questions

  • REFLECTION AND REFRACTION

    PRADEEP|Exercise Higher Order Thinking Skills Q/A|6 Videos

  • REFLECTION AND REFRACTION

    PRADEEP|Exercise Value based Q/A|4 Videos

  • REFLECTION AND REFRACTION

    PRADEEP|Exercise long Q/A|7 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    PRADEEP|Exercise Mock Test|21 Videos

  • SOURCES OF ENERGY

    PRADEEP|Exercise Mock Test|20 Videos

Similar Questions

Explore conceptually related problems

A bucket completely full of water is 46 cm deep. A coin kept at the bucket when viewed normally will appear at (mu_w =4/5)

Water flows from a tank with a rectangular base measuring 80 cm by 70 cm into another tank with a square base of side 60 cm. If the water in the first tank is 45 cm deep, how deep will it be in the second tank?

You drop a stone from rest into a well that is 7.35 m deep. How long does it take before you the splash ?

A candle flame is held 2 meter above the water level in a tank 4 meter deep. If mu of water is 4//3 , where will the image of candle flame be seen ?

Why still water runs deep?

A candle flame is held 2 metre above the water level in a tank 4 metre deep. If mu of water is 4//3 , where will image of candle flame be seen ?

A rectangular tank 8m deep is full of water. By how much does the bottom appear to be raised if the refractive index of water is 4//3 ?

(a) A water tank appears 1*5 m deep. What is it actual depth ? Given refractive index of water w.r.t. air is 4//3 . (b) If 1*5 m were actual depth of water tank, what would be its apparent depth?

PRADEEP-REFLECTION AND REFRACTION-Short Q/A
  1. The refractive index of glass is 3//2 and refractive index of water i...

    Text Solution

    |

  2. A coin in a glass beaker appears to rise as the beaker is slowly fille...

    Text Solution

    |

  3. A tank of water is 4 m deep. How deep does it appear when seen normall...

    Text Solution

    |

  4. What is meant by optical centre of a lens?

    Text Solution

    |

  5. Define first principal focal length of a convex lens.

    Text Solution

    |

  6. Give three basic differences between real image and virtual image.

    Text Solution

    |

  7. What is linear magnification produced by a lens? How is it related to ...

    Text Solution

    |

  8. When is magnification positive or negative ?

    Text Solution

    |

  9. In which of the following cases, linear magnification is positive?

    Text Solution

    |

  10. A student focuses the image of a candle flame, placed at about 2 m fro...

    Text Solution

    |

  11. Draw the refracted rays corresponding to incident ray 1 and 2

    Text Solution

    |

  12. A ray of light passing through A retraces its path on reflection from ...

    Text Solution

    |

  13. You are given a concave mirror of focal length 20 cm and a candle. Whe...

    Text Solution

    |

  14. Can you change focal length of a given spherical mirror by changing th...

    Text Solution

    |

  15. The linear magnification of a concave mirror can be positive or negati...

    Text Solution

    |

  16. You are given a convex lens of focal length 30 cm. At what distance fr...

    Text Solution

    |

  17. When is linear magnification of a convex lens positive and when is it ...

    Text Solution

    |

  18. A real, inverted image of the size of object is to be formed by holdin...

    Text Solution

    |

  19. A convex lens is used to focus the rays from the far off light bulb at...

    Text Solution

    |

  20. Trace the course of a ray of ligth through a rectangular glass slab. F...

    Text Solution

    |