Home
Class 9
PHYSICS
A sample of metal weighs 210 g in air , ...

A sample of metal weighs 210 g in air , 180 in water , and 120 in liquid . Then , relative density of

A

RD of metal is `3`

B

RD of metal is `7`

C

RD of liquid is `7`

D

RD of liquid is `(1//3)`

Text Solution

Verified by Experts

The correct Answer is:
B

Relative density of solid metal
`=("weight of body in air")/("Loss of weight in water")=(210)/(210-180)=7`
Promotional Banner

Topper's Solved these Questions

  • THRUST AND PRESSURE

    MTG IIT JEE FOUNDATION|Exercise Exercise (Match the following)|5 Videos
  • THRUST AND PRESSURE

    MTG IIT JEE FOUNDATION|Exercise Exercise (Assertion & Reason type)|10 Videos
  • THRUST AND PRESSURE

    MTG IIT JEE FOUNDATION|Exercise NCERT Section|10 Videos
  • SOUND

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS Corner|15 Videos
  • WORK AND ENERGY

    MTG IIT JEE FOUNDATION|Exercise Olympaid/HOTS Corner|20 Videos

Similar Questions

Explore conceptually related problems

A sample of metal weights 210g in air, 180g in water and 120g in 0°C liquid then, specific gravity of

A piece of solid weighs 120 g in air ,80 g in water and 60 kg in a liquid . The relative density of the solid and that of the liquid are respectively

A piece of solid weighs 120 g in air, 80 g in water and 60 g in a liquid. The relative density of the solid and that of the liquid are respectively

A piece of solid weighs 120 g in air, 80 g in water and 60 g in a liquid, then the relative density of the solid, and that fo liquid are

A solid piece weighs 200 g in air, 150 g in water and 100 g in a liquid. The relative density of the liquid will be

A metallic sphere weighs 210g in air, 180 g in water and 120 g in an unknown liquid. Find the density of metal and of liquid.

A sample of metal weights 210 grams in air 180 grams n water and 120 grams in an unknown liquid then

A solid weighs 3N in air 2.5N in water and 2.6 N in a liquid . Calculate the relative density of solid.

MTG IIT JEE FOUNDATION-THRUST AND PRESSURE-Exercise (Multiple choice questions)
  1. If the density of aluminium is 2700 "kg m"^(-3), then its value in the...

    Text Solution

    |

  2. The SI unit of relative density is:

    Text Solution

    |

  3. A sample of metal weighs 210 g in air , 180 in water , and 120 in liqu...

    Text Solution

    |

  4. A piston of cross-sectional area 100 cm^(2) is used in a hydraulic pre...

    Text Solution

    |

  5. Buoyant force exerted by different fluids on a given body is

    Text Solution

    |

  6. Which of the following statements is wrong ?

    Text Solution

    |

  7. Voyager balloons are filled with hydrogen to move up . As it goes up

    Text Solution

    |

  8. The apparent weight of wood floating on water if it weights 100 g in a...

    Text Solution

    |

  9. If the density of wood is 1500 kg m ^-3 , then its relative density ...

    Text Solution

    |

  10. If the density of iron is 7900 "kg m"^(-3) , then its relative density...

    Text Solution

    |

  11. Pressure at a point inside a liquid does not depend on

    Text Solution

    |

  12. You have a bag of cotton and an iron bar, indicating mass of 100 kg, w...

    Text Solution

    |

  13. If a body is compressed to half its previous volume, its density:

    Text Solution

    |

  14. A element X with atomic mass 60 g/mol has a density of 6.23"g cm"^(-3)...

    Text Solution

    |

  15. An aeroplane of mass 3xx10^(4)kg and total wing area of 120 m^(2) is i...

    Text Solution

    |

  16. Every liquid exerts an upward force on the objects immersed in it . Up...

    Text Solution

    |

  17. The truck with a heavy load will move most swiftly if it is fitted wit...

    Text Solution

    |

  18. When a body is wholly or partially immersed in a liquid it experiences...

    Text Solution

    |

  19. Pressure applied on liquids is transmitted

    Text Solution

    |

  20. Tank trailers are provided with 16 wheels so as to

    Text Solution

    |