Home
Class 11
PHYSICS
Assertion: Dimensional constant are the ...

Assertion: Dimensional constant are the quantities whose value are constant.
Reason: Dimensional constant are dimensionless.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Dimensional constants are the quantities whose value are constant and they posses dimension for example velocity of light in vacume unives gravitational constant boltamant plank constant etc.
Promotional Banner

Topper's Solved these Questions

  • UNIT, DIMENSION AND ERROR ANALYSIS

    A2Z|Exercise NEET Questions|23 Videos

  • UNIT, DIMENSION AND ERROR ANALYSIS

    A2Z|Exercise AIIMS Questions|22 Videos

  • UNIT, DIMENSION AND ERROR ANALYSIS

    A2Z|Exercise Problems Based On Mixed Concepts|24 Videos

  • THERMAL PROPERTIES OF MATTER

    A2Z|Exercise Chapter Test|30 Videos

  • VECTORS

    A2Z|Exercise Chapter Test|29 Videos

Similar Questions

Explore conceptually related problems

STATEMENT-1: Dimensional constants are the quantities whose values are constant STATEMENT-2: Dimensional constants are dimensionless STATEMENT-3 Universal gravitational constant (G) is a dimensional constant

STATEMENT-1 Dimensional constants are the quantities whose values are constant STATEMENT 2 Quantities which are dimensionless are known as dimensional constants

All constants are dimensionless. Comment.

Name any three dimensional constants.

Name any two non dimensional constant.

Spring constant is a dimensional contant. Justify.

Assertion: A dimensionally wrong or inconsistaent equation must be wrong. Reason: A dimensionally consistent equation is a exact or a correct equation.

Can a quantity have constant value and be dimensionless ?

Give two examples each of dimensionless constants and dimensional variavles.

A2Z-UNIT, DIMENSION AND ERROR ANALYSIS-Assertion Reasoning
  1. Assertion: if two physical quantities have same dimension, then they ...

    Text Solution

    |

  2. Assertion: Angle and angular displacement a dimensionless quantities. ...

    Text Solution

    |

  3. Assertion: Force can be added to pressure. Reason: Force and pressur...

    Text Solution

    |

  4. Assertion: Angle and angular displacement a dimensionless quantities....

    Text Solution

    |

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

    Text Solution

    |

  6. Assertion: The number 1.202 has four significant figure and the number...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Assertion: The given equation x = x(0) + u(0)t + (1)/(2) at^(2) is dim...

    Text Solution

    |

  10. Assertion: The dimensional formula of surface energy is [M^(0)L^(2)T^(...

    Text Solution

    |

  11. Assertion: When percentage error in the meansurement of mass and veloc...

    Text Solution

    |

  12. Assertion: A dimensionally wrong or inconsistaent equation must be wro...

    Text Solution

    |

  13. Assertion: Dimensional constant are the quantities whose value are con...

    Text Solution

    |

  14. Assertion: Pressure can not be subtracted from pressure gradient. Re...

    Text Solution

    |

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

    Text Solution

    |

  16. Assertion: the quantity (1//sqrt(mu(0) epsilon(0))) is dimensionally e...

    Text Solution

    |