Home
Class 11
PHYSICS
Number of particles is given by n=-D(n(2...

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 number of particles per unit volume for the value of `x` meant to `x_(2)` and `x_(1)`. Find dimensions of `D` called as diffusion constant

A

`M^(0)L^(1)T^(2)`

B

`M^(0)L^(2)T^(-4)`

C

`M^(0)L^(1)T^(-3)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise EXERCISE-III|21 Videos

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise EXERCISE-IV|21 Videos

  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise EXERCISE -II (C.W)|28 Videos

  • TRANSMISSION OF HEAT

    NARAYNA|Exercise LEVEL-II(C.W)|27 Videos

  • VECTORS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

Similar Questions

Explore conceptually related problems

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.

The total number of terms which are dependent on the value of x in the expansion of (x^(2)-2+(1)/(x^(2)))^(n) is equal to 2n+1 b.2n c.n d.n+1

The number of solutions of x_(1)+x_(2)+x_(3)=84 (x_(1),x_(2),x_(3) being 3n+1 type where n is natural number ) is

The function f(x)=(4sin^(2)x-1)^(n)(x^(2)-x+1),n in N has a local minimum at x=(pi)/(6). Then (a) n is any even number (b) n is an odd number ( ) n is odd prime number (d) n is any natural number

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

When 'n' number of particles of masses 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 find the distance of centre of mass of the system from origin.

The number of elements of the set {x: X in N,x^(2) = 1} where N is the set of all natural numbers is :

NARAYNA-UNITS AND MEASUREMENTS-EXERCISE-II (H.W)
  1. The length of a cyclinder is measured as 5 cm using a vernier calipers...

    Text Solution

    |

  2. The diameter of a wire as measured by a screw gauge was found to be 1....

    Text Solution

    |

  3. Number of particles is given by n=-D(n(2)-n(1))/(x(2)-x(1)) crossing a...

    Text Solution

    |

  4. The external and internal diameter of a hollow cylinder are determine...

    Text Solution

    |

  5. The density of a cube is measured by measuring its mass and the length...

    Text Solution

    |

  6. The diameter of a sphere is 3.34 m. Calculate its volume with due rega...

    Text Solution

    |

  7. The length , breath and thickness of a metal sheet are 4.234m, 1.005m,...

    Text Solution

    |

  8. The sides of a rectangle are (10.5 +- 0.2) cm and ( 5.2 +- 0.1 ) cm. C...

    Text Solution

    |

  9. If the ratio of fundamental units in two systems are 2:3 the ratio of...

    Text Solution

    |

  10. If L, R , C , and V, respectively , represent inductance , resistance ...

    Text Solution

    |

  11. Hydrostatic pressure 'P' varies with displacement 'x' as P = (A)/(B)lo...

    Text Solution

    |

  12. The units of force, velocity and energy are 100 "dyne", 10 cm s^(-1) ...

    Text Solution

    |

  13. The ratio of SI unit to CGS unti of gravitational constant of

    Text Solution

    |

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

    Text Solution

    |

  15. If the period 'T' of a drop under surface tension 's' is given by T =...

    Text Solution

    |

  16. If the velocity (V) , acceleration (A) , and force (F) are taken as fu...

    Text Solution

    |

  17. The time dependence of a physical quantity P is given by P = P(0)e^(-a...

    Text Solution

    |

  18. The value fo x in the formula Y = (2mg l^(x))/(5bt^(3)e) where m is th...

    Text Solution

    |

  19. The velocity of sound in air (V) pressure (P) and density of air (d)...

    Text Solution

    |

  20. Text Solution

    |