Home
Class 11
PHYSICS
A dimensionless quantity...

A dimensionless quantity

A

never has a unit

B

always has a unit

C

may have a unit

D

does not exit

Text Solution

Verified by Experts

The correct Answer is:
C
Angle is dimensions but has but has unit (radian or degree)
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    RESONANCE ENGLISH|Exercise Advanced Level Problems|17 Videos

  • WAVE OPTICS

    RESONANCE ENGLISH|Exercise Exercise|35 Videos

Similar Questions

Explore conceptually related problems

Select the dimensionless quantity (ies) :

Which one of the following is not the dimensionless quantity?

Assertion: Angle and angular displacement a dimensionless quantities. Reason: Angle is equal in arc length divided by radius.

A charged particle of charge e and mass m is moving in an electric field vecE and magnetic field vecB . Construct dimensionless quantities and quantities of dimention [T]^-1 .

Pick up the dimensionless quantities among the following: (i) Power of a lens ,(ii) Relative density ,(iii) Average velocity ,(iv) Magnification

Dimensionless quantity is

A unitless quantity

If velocity, force and time are taken as the fundamental quantities, them using dimensional analysis choose the correct dimensional formula for mass among the following. [K is a dimensionless constant]

What are (i) dimensional constant, (ii) dimensionless constants, (iii) dimensional variables and (iv) dimensionless variables.

What is the difference between a dimensional constant and a dimensionless constant?

RESONANCE ENGLISH-UNITS, DIMENSION & MEASUREMENT-Exercise
  1. Which of the following sets cannot enter into the list of fundamental ...

    Text Solution

    |

  2. A dimensionless quantity

    Text Solution

    |

  3. A unit less qunatity

    Text Solution

    |

  4. Of the following quantities , which one has the dimensions different f...

    Text Solution

    |

  5. Which of the following sets have different dimensions?

    Text Solution

    |

  6. The dimensional formula for latent heat is

    Text Solution

    |

  7. The young's modulus of a material of wire is 12.6 xx 10^(11) "dyne"//c...

    Text Solution

    |

  8. A watt is

    Text Solution

    |

  9. Assertion : Kilowatt hour is the unit of power. Reason: One kilowa...

    Text Solution

    |

  10. The dimension of Planck constant equals to that of :

    Text Solution

    |

  11. Unit of surface tension is

    Text Solution

    |

  12. If unit of length and time is double, dthe numerical valuure of 'g' (a...

    Text Solution

    |

  13. Which of the options has two quantities that have different dimensions...

    Text Solution

    |

  14. If we use permitivity epsilon, resistance R, gravitational constant G ...

    Text Solution

    |

  15. You may not know integration , but using dimensional analysis you can ...

    Text Solution

    |

  16. The length of a rectangular plate is measured by a meter scale and is ...

    Text Solution

    |

  17. In the previous question, minimum possible error in area measurement c...

    Text Solution

    |

  18. To estimate g (from g = 4 pi^(2)(L)/(T^(2))), error in measurement of ...

    Text Solution

    |

  19. An experiment measure quantities x,y,z and then t is in calculate from...

    Text Solution

    |

  20. The external and internal diameters of a hollow cylinder are measured ...

    Text Solution

    |