Home
Class 12
PHYSICS
The number of particles is given by n = ...

The number of particles is given by `n = -D(n_(2) - n_(1))/( x_(2) - x_(1))` crossing a unit area perpendicular to X - axis in unit time , where `n_(1)and n_(2)` are particles per unit volume for the value of `x` meant to `x_(2) and x_(1)` . Find the dimensions of `D` called diffusion constant.

A

`[M^(0)L^(-1)T^(2)]`

B

`[M^(0)L^(-1)T^(-1)]`

C

`[M^(0)L^(2)T^(-1)]`

D

`[M^(0)L^(2)T^(2)]`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - C)|31 Videos
  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|15 Videos
  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - A)|50 Videos
  • THERMODYNAMICS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -D) (Assertion - Reason Type Questions)|10 Videos
  • WAVE OPTICS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-J (Aakash Challengers question))|1 Videos

Similar Questions

Explore conceptually related problems

The number of terms in the expansion of (x+1/x+1)^n is (A) 2n (B) 2n+1 (C) 2n-1 (D) none of these

If Sigma_( i = 1)^( 2n) sin^(-1) x_(i) = n pi , then find the value of Sigma_( i = 1)^( 2n) x_(i) .

When n number of particles each of mass m are at distances x_(1)=1, x_(2)=2, x_(3)=3, ………., x_(n)=n units from origin on the x-axis, then find the distance of their centre of mass from origin.

When n number of particles each of mass m are at distances x_(1)=a, x_(2)=ar, x_(3)=ar^(2)…….x_(n)=ar^(n) units from origin on the x-axis, then the distance of their centre of mass from origin.

If the numbers x-2,4x-1a n d5x+2 are in AP., find the value of xdot

When n number of particles of masses m, 2m, 3m, …….. nm are at distances x_(1)=1, x_(2)=4, x_(3)=9, ………x_(n)=n^(2) units respectively from origin on the x-axis, then find the distance of their centre of mass from origin.

When .n. number of particles of masses m, 2m, 3m, …….. nm are at distances x_(1)=1, x_(2)=2, x_(3)=3, ……………x_(n) =n units respectively from origin on the x-axis, then find the distance of centre of mass of the system from origin.

If A and B are coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) respectively, then find the value of (A)/(B) .

If A and B are coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) respectively, then find the value of (A)/(B) .

If the fourth term in the expansion of (a x+1/x)^n \ is \ 5/2,\ then find the values of a\ a n d\ n .

AAKASH INSTITUTE ENGLISH-UNITS AND MEASUREMENTS-ASSIGNMENT (SECTION - B)
  1. In a new system of units energy (E), density (d) and power (P) are tak...

    Text Solution

    |

  2. In equation y=x^(2)cos^(2)2pi(betagamma)/alpha, the units of x,alpha,b...

    Text Solution

    |

  3. A dimensionally consistent relation for the volume V of a liquid of co...

    Text Solution

    |

  4. If E, M, J and G denote energy, mass, angular momentum and gravitation...

    Text Solution

    |

  5. Let P represent radiation pressure, c represent speed of light and l r...

    Text Solution

    |

  6. The number of particles is given by n = -D(n(2) - n(1))/( x(2) - x(1))...

    Text Solution

    |

  7. The frequency f of vibrations of a mass m suspended from a spring of s...

    Text Solution

    |

  8. The equation of a stationary wave is y=2A sin((2pict)/lambda) cos ((2p...

    Text Solution

    |

  9. If energy E, velocity v and time T are taken as fundamental quanties,...

    Text Solution

    |

  10. If speed (V),acceleration (A) and force (F) are considered as fundam...

    Text Solution

    |

  11. If the error in the measurement of radius of a sphere is 2%, then the ...

    Text Solution

    |

  12. If a set of defective weights are used by a student to find the mass o...

    Text Solution

    |

  13. A force F is applied on a square plate of side L. If the percentage er...

    Text Solution

    |

  14. The radius of a sphere is (5.3 +- 0.1)cm The perecentage error in its ...

    Text Solution

    |

  15. Percentage erros in the measurement of mass and speed are 2% and 3% re...

    Text Solution

    |

  16. The acceleration due to gravity is measured on the surface of earth by...

    Text Solution

    |

  17. A public park , in the form of a square , has an area of (100pm0.2 ) m...

    Text Solution

    |

  18. A physical quantity is represented by X=M^(a)L^(b)T^(-c).If the percen...

    Text Solution

    |

  19. The least count of a stop watch is 1/5 second. The time of 20 oscillat...

    Text Solution

    |

  20. A student measures the distance traversed in free fall of a body, init...

    Text Solution

    |