Home
Class 12
PHYSICS
A set of defective observation of weight...

A set of defective observation of weights is used by a student of find the mass of an object using a physical balance. A large number of readings will reduce

A

random error

B

random as well as systematic error

C

systematic error

D

neither random nor systematic error

Text Solution

Verified by Experts

Large number of readings will reduce the random error.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If a set of defective weights are used by a student to find the mass of an object using a physical balance, a large number of reading will reduce :-

A physical balance is used in laboratories.

While measuring viscosity of caster oil using terminal velocity concept the following observation table has been taken by a student. Which one is the first connect reading which he should consider for the computation of terminal velocity

4500 J of energy is used to raise an object with a mass of 50 kg to a height h. Calculate h.

Find the mean deviation using arithmetic mean from the folloiwng observations:

Read the following statements : S_(1) : An object shall weigh more at pole than at equator when weighed by using a physical balance. S_(2) : It shall weigh the same at pole and equator when weighed by using a physical balance. S_(3) : It shall weigh the same at pole and equator when weighed by using a spring balance. S_(4) : It shall weigh more at the pole than at equator when weighed using a spring balance. Which of the above statements is/are correct ?

The advantage(s) of using carbon to reduce a number of oxides and other compounds are :

Find the index number by using simple aggregate method.

A data set has 13 distinct observation with median 18 . If one more number is added to this data set. The median will remain unchanged. Find the number added.

ALLEN-BASIC MATHS-EXERCISE-1
  1. Dimensional formula of DeltaQ, heat supplied to the system is:

    Text Solution

    |

  2. Dimensions of 1(mu(0)epsilon(0)) where symbols have their usual meanin...

    Text Solution

    |

  3. The dimensions of the quantity vecE xx vecB, where vecE represents the...

    Text Solution

    |

  4. Write the dimensional formula of angular momentum. Is it scalar or vec...

    Text Solution

    |

  5. A set of defective observation of weights is used by a student of find...

    Text Solution

    |

  6. A physical quantity rho is calculated by using the formula rho =(1)/(1...

    Text Solution

    |

  7. The pressure on a square plate is measured by measuring the force on t...

    Text Solution

    |

  8. The error in measuring the side of a cube is +- 1%. The error in the c...

    Text Solution

    |

  9. When a copper sphere is heated, percentage change is

    Text Solution

    |

  10. A wire has a mass (0.3pm0.003)g, radius (0.5pm0.005) mm and length (0....

    Text Solution

    |

  11. The resistance R of a wire is given by the relation R= (rhol)/( pir^(2...

    Text Solution

    |

  12. A vernier callipers has divisions on the vernier scale which coincide ...

    Text Solution

    |

  13. If the error in the measurement of radius of a sphere in 5% then the e...

    Text Solution

    |

  14. In a vernier callipers if each centimetre of the main scale is divided...

    Text Solution

    |

  15. Choose the incorrect statement out of the following.

    Text Solution

    |

  16. A student measures the distance traversed in free fall of a body, init...

    Text Solution

    |

  17. Which of the following has the highest number of significant figures ?

    Text Solution

    |

  18. If voltage across a bulb rated 220 V-100 W drops by 2.5% of its rated ...

    Text Solution

    |

  19. A physical quantity X is given by X=(2K^(3)l^(2))/(msqrt(n)) The p...

    Text Solution

    |

  20. In an experiment, four quantities a,b,c and d are measured with percen...

    Text Solution

    |