Home
Class 11
PHYSICS
A physical quantity is measured and the ...

A physical quantity is measured and the result is expressed as nu where u is the unit used and n is the numberical value. If the result is expressed in various units then

A

`n prop u^2`

B

`n prop u`

C

`n prop sqrtu`

D

`n prop 1/u`

Text Solution

Verified by Experts

The correct Answer is:
D

nu = Constant `implies n prop 1/u`
Promotional Banner

Topper's Solved these Questions

  • UNITS, DIMENSIONS AND MEASUREMENT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Dimensions)|84 Videos
  • UNITS, DIMENSIONS AND MEASUREMENT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Errors of Measurement)|35 Videos
  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise Assertion & Reason|22 Videos
  • WAVES AND SOUND

    ERRORLESS|Exercise ASSERTION & REASON |25 Videos

Similar Questions

Explore conceptually related problems

The calorific value of a fuel is expressed in a unit called

Name the unit in which the calorific valu of a fuel is expressed.

Name the unit in which the calorific value of a fuel is expressed.

Angstrom is the unit used to express

Assertion: The units of some physical quantities can be expressed as combination of the base units. ltbr. Reason: We need only a limited number of units for expressing the derived physical quantities.

ERRORLESS-UNITS, DIMENSIONS AND MEASUREMENT-ASSERTION & REASON
  1. A physical quantity is measured and the result is expressed as nu wher...

    Text Solution

    |

  2. Assertion : 'Light year' and 'Wavelength' both measure distance. Rea...

    Text Solution

    |

  3. Assertion: The error in the measurement of radius of sphere is 0.3%. T...

    Text Solution

    |

  4. Assertion : Force cannot be added to pressure. Reason : Because thei...

    Text Solution

    |

  5. Assertion : Linear mass density has the dimensions of [M^(1)L^(–1)T^(0...

    Text Solution

    |

  6. Assertion : Avogadro number is the number of atoms in one gram mole. ...

    Text Solution

    |

  7. Assertion : Units of Rydberge constant R are m^(-1). Reason : It fol...

    Text Solution

    |

  8. Assertion : Parallax method cannot be used for measuring distance of ...

    Text Solution

    |

  9. Assersion : Out of three meansurements l = 0.7 m, l = 0.70m and l = 0....

    Text Solution

    |

  10. Assertion : Mass, length and time are fundamental physical quantities....

    Text Solution

    |

  11. Assertion: In the relationf = (1)/(2l) sqrt((T)/(m)), where symbols ha...

    Text Solution

    |

  12. Assertion : Now a days a standard metre is defined as in terms of the ...

    Text Solution

    |

  13. Assertion : The time period of a pendulum is given by the formula, T=2...

    Text Solution

    |

  14. Assertion : Surface tension and surface energy have the same dimension...

    Text Solution

    |

  15. Assertion: In y = A sin (omega t - kx),(omega t - kx) is dimensionless...

    Text Solution

    |

  16. Assertion: Dimensional constant are the quantites whose value are cons...

    Text Solution

    |

  17. Assertion : A.U. is much bigger than Å. Reason : A.U. stands for ast...

    Text Solution

    |

  18. Assertion: When we change the unit of measurerment of a quantity its n...

    Text Solution

    |