Home
Class 11
PHYSICS
The mass of a box measured by a grocer's...

The mass of a box measured by a grocer's balance is 2.30 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. What is (a) the total mass of the box, (b) the difference in the masses of the pieces to correct significant figures ?

Text Solution

Verified by Experts

(a) 2.3 kg (b) 0.02 g
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    NCERT TELUGU|Exercise EXERCISE (ADDITIONAL EXERCISE)|9 Videos

  • UNITS AND MEASUREMENT

    NCERT TELUGU|Exercise Exercise (Fill in the blanks)|8 Videos

  • THERMODYNAMICS

    NCERT TELUGU|Exercise EXERCISES|10 Videos

  • WAVES

    NCERT TELUGU|Exercise Exercises|21 Videos

Similar Questions

Explore conceptually related problems

The velocities of three particles of masses 20 g, 30 g and 50 g are 10hat i, 10hatj and 10hatk respectively. The velocity of the centre of mass of the three particles is

NCERT TELUGU-UNITS AND MEASUREMENT-EXERCISE
  1. The mean diameter of a thin brass rod is to be measured by vernier cal...

    Text Solution

    |

  2. The photograph of a house occupies an area of 1.75 cm^(2) on a 35 mm s...

    Text Solution

    |

  3. State the numberof significant figures in the 0.007 m^2

    Text Solution

    |

  4. State the number of significant 0.0006032 m^(2)

    Text Solution

    |

  5. State the numberof significant figures in the 0.2370 gcm^(-3)

    Text Solution

    |

  6. State the numberof significant figures in the 6.320 J

    Text Solution

    |

  7. State the number of significant figures in the following 6.032

    Text Solution

    |

  8. State the number of significant 0.0006032 m^(2)

    Text Solution

    |

  9. The length , breadth and thickness of a rectangular sheet of metal are...

    Text Solution

    |

  10. The mass of a box measured by a grocer's balance is 2.30 kg. Two gold ...

    Text Solution

    |

  11. A physical quantity P is related to four observables a,b,c and d as fo...

    Text Solution

    |

  12. A book with many printing errors contains four different formulas for ...

    Text Solution

    |

  13. A famous relation in physics relates 'moving mass' m to the 'rest mass...

    Text Solution

    |

  14. The unit of length conventent on the atomic scale is known as an angs...

    Text Solution

    |

  15. One mole of an ideal gas at standard temperature and pressure occupies...

    Text Solution

    |

  16. Explain this common observation clearly: If you look out of the window...

    Text Solution

    |

  17. The principle of 'parallax' in section 2.3.1 is used in the determinat...

    Text Solution

    |

  18. The nearest star to our solar system is 4.29 light years away. How muc...

    Text Solution

    |

  19. The Sun is a hot plasma (ionized matter) with its inner core at a temp...

    Text Solution

    |

  20. When the planet Jupiter is at a distance of 824.7 million kilometers f...

    Text Solution

    |