Home
Class 9
PHYSICS
(a) Write down an equation that defines ...

(a) Write down an equation that defines density .
(b) 5 kg of meterial A occupy `20 cm ^(2)` whereas 20 kg of material B occupy `90 cm^(2)`.Which has the greater density : A or B

Text Solution

Verified by Experts

The correct Answer is:
(b) A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very s.question|15 Videos

  • GRAVITATION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long ans T.Q|6 Videos

  • GRAVITATION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Sample Problem|2 Videos

  • FORCE AND LAWS OF MOTION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|145 Videos

  • MODEL TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION B|2 Videos

Similar Questions

Explore conceptually related problems

The masses of two objects are 2kg and 20kg . Which has greater inertia?

The mass of a body is 2 kg and its volume is 250 cm^(3) . Find its relative density.

Define density .What is the SI unit of density ? (b) Define relative density .What is the SI unit of relative density ? The density of turpentine is 840kg//m^(3) .What will be its relative density ? (Density of water =1000 kg //m^(3))

The mass of object A is 6 kg whereas that of another object B is 34 kg. Which of the two objects, A or B, has more inertia ?

If 5 kg of glycerine occupies 0.004 m^(3) , determine the density in "g cm"^(-3)" and kg m"^(-3).

If 5 kg of glycerine occupies 0.004 m^(3) , deterimine the density of glycerine in g cm^(-3) and kg m^(-3) .

Statement I: The CGS unit of relative density is gm/ cm^(2) Statement II: 1 g/ cm^(3) = 1000 kg/ m^(3)

A hollow metallic sphere has inner and outer radii, respectively as 5 cm and 10 cm if the mass of the sphere is 2.5 kg, find (a) density of the material, (b) relative density of the material of the sphere.

LAKHMIR SINGH & MANJIT KAUR-GRAVITATION-Exercise
  1. A pressure of 10 Pa acts on an area of 3.0 m^(2) .What is the force ac...

    Text Solution

    |

  2. Calculate the density of an object of volume 3 m ^(3) and mass 9 kg .S...

    Text Solution

    |

  3. (a) Write down an equation that defines density . (b) 5 kg of meteri...

    Text Solution

    |

  4. Define density .What is the SI unit of density ? (b) Define relati...

    Text Solution

    |

  5. (a) Define pressure . ( b) What is the relation between pressure for...

    Text Solution

    |

  6. (a) How does a boat float in water ? A piece of steel has a volume ...

    Text Solution

    |

  7. An object weighs 10N in air. When immersed fully in liquid, it weighs ...

    Text Solution

    |

  8. The diagrams represent four measuring cylinders containing liquids. Th...

    Text Solution

    |

  9. Consider the following information in respect of four objects A, B, C,...

    Text Solution

    |

  10. If two equal weights of unequal volumes are balanced in air, what will...

    Text Solution

    |

  11. Two different object are completely immersed in water and undergo same...

    Text Solution

    |

  12. State the universal law of gravitation.

    Text Solution

    |

  13. Write the formula to find the magnitude of the gravitational force bet...

    Text Solution

    |

  14. What do you mean by free fall?

    Text Solution

    |

  15. What do you mean by acceleration due to gravity?

    Text Solution

    |

  16. Write the differences between mass and weight of an object.

    Text Solution

    |

  17. Why is the weight of an object on the Moon (1//6)th its weight on the ...

    Text Solution

    |

  18. Why is it difficult to hold a school bag having strap made of thin and...

    Text Solution

    |

  19. What do you mean by buoyancy?

    Text Solution

    |

  20. Why does an object float or sink when placed on the surface of water?

    Text Solution

    |