Home
Class 11
PHYSICS
A unit less qunatity...

A unit less qunatity

A

never has a nonzero dimension

B

always has nonzero dimension

C

may have a nonzero dimension

D

does not exit

Text Solution

Verified by Experts

The correct Answer is:
A

it is obvious.
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    RESONANCE|Exercise Advanced Level Problems|18 Videos
  • WAVE OPTICS

    RESONANCE|Exercise Exercise|36 Videos

Similar Questions

Explore conceptually related problems

STATEMENT-1 : Molality and mole fraction are temperature independent quantity. and STATEMENT-2 : Molality and mole fraction are unit less quantity.

At a price of ₹8 per unit, the qunatity supplied of a commodity is 200. Its price elasticity of supply is 1.5. If its pricce rises to ₹10 per unit, calculate its quantity supplied at the new price.

At a price of ₹ 20 per unit, the quantity demanded of commodity is 300 units. If the price falls by 10% , its qunatity demanded rises by 60 units. Calculate its price elasticity.

The coefficient of elasticity of supply of a commodity is 2. A seller supplies 20 units of this commodity at a price ₹10 per units. Calculate the qunatity supplied when price rises by ₹2.

Assertion: A vector qunatity is a quantity that has both magnitude and a direction and obeys the triangle law of addition or equivalentyly the parallelogram law of addition. Reason: The magnitude of the resultant vector of two given vectors can never be less than the magnitude of any of the given vector.

How many methylene units is less in the formula of the second member than the third member of the homologous series of alkenes ?

Calculate the qunatity of electricity(in colulombs) necessary to deposti 15.89 g of copper form a CuSO_(4) solution (atomic weight of Cu 63.6)

E_(P) of a good is -4. When price of this good rises from Rs. 5 to Rs. 6 per unit , a consumer busy 40 units less . How many units did he buy at Rs. 5 ?

RESONANCE-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. Which pair of following quantities has dimensions different from each ...

    Text Solution

    |

  5. Which of the following set have different dimensions?

    Text Solution

    |

  6. 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. Kilowatt-hour is a unit of

    Text Solution

    |

  10. Planck's constant has the dimension (unit) of

    Text Solution

    |

  11. S.I. Unit of surface tension is :

    Text Solution

    |

  12. If unit of length and time is doubled the numerical value of g (accele...

    Text Solution

    |

  13. Which of the following pairs of physical quantities have the different...

    Text Solution

    |

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

    Text Solution

    |

  15. In the equation int (dx)/sqrt(2ax - x^(2) ) = a^(n) sin ^(-1) [(x-a...

    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

    |