Home
Class 12
PHYSICS
(A) The correctness of an equation is ve...

(A) The correctness of an equation is verified using the principle of homogeneity
(B) All unit less quantities are dimensional less.

A

Both A &B are true

B

Both A & B are false

C

Only A is true

D

Only B is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE- 1 B|28 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -2|56 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise PROBLEM|50 Videos

  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise PRACTICE EXERCISE|45 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET ADVANCED (INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

A unit less qunatity

Verify the correctness of the equations v = u + at .

Mention the uses of dimensional equations.

Using the principle of homogeneity of dimensions, which of the following is correct?

(A) : Plane angle has unit but no dimensional formula (B) : All dimension less quantities are unit less

Assertion : Emissivity of any body (e) is always less than its absorptive power (a). Reason : Both the quantities are dimensionless.

STATEMENT-1:Work done by a force on a body can be added to kinetic energy of the body. STATEMENT:2-By principle of homogeneity, any two physical quantities which are added must have same dimensions.

The harmonic mean of two quantities a and b is defined as (2ab)/(a+b) . If the harmonic mean of the quantities x and 12 is one less than the average of the same two quantities, which of the following can be the value of the sum of digits in x?

For all n in N, n^(4) is less than

A : All physically correct equations are dimensionally correct. R : All dimensionally correct equations are physically correct.

AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. (A) : Plane angle has unit but no dimensional formula (B) : All dim...

    Text Solution

    |

  2. Dimensional formulae are used A) to convert one system of units into...

    Text Solution

    |

  3. (A) The correctness of an equation is verified using the principle of ...

    Text Solution

    |

  4. .(A): The value of dimensionless constants or proportionality constant...

    Text Solution

    |

  5. Which of the following is not a unit of time A) par sec B) light ye...

    Text Solution

    |

  6. Which of the following is dimensionless (a) Boltzmann constant (b) ...

    Text Solution

    |

  7. For a body in a uniformly accelerated motion, the distance of the body...

    Text Solution

    |

  8. Three of the quantities defined below has the same dimensional formula...

    Text Solution

    |

  9. If e, E0, h and C respectively represents electronic change, permittiv...

    Text Solution

    |

  10. Photon is quantum of radiation with energy E=hv, where v is frequency ...

    Text Solution

    |

  11. The displacement of a particle executing simple harmonic motion is giv...

    Text Solution

    |

  12. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

    Text Solution

    |

  13. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

    Text Solution

    |

  14. {:("List-I","List - 2"),((a)m^(-1),(e)"Surface tension"),((b)Pa,(f)"Th...

    Text Solution

    |

  15. {:("List-I","List-2"),((a)"Electron volt",(e)746 W),((b) "kWH", (f) 10...

    Text Solution

    |

  16. {:("List-I","List-2"),((a)"Pressure ",(e)ML^(2)T^(-2)I^(-1)),((b)"Late...

    Text Solution

    |

  17. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

    Text Solution

    |

  18. h d G has the dimensions of (h = height , d = density , G = Gravitatio...

    Text Solution

    |

  19. Some physical constants are given in List-1 and their dimensional form...

    Text Solution

    |

  20. Dimensional formula formula for thermal conductivity is (here K denote...

    Text Solution

    |