Home
Class 12
PHYSICS
Dimensions of emissive power are...

Dimensions of emissive power are

A

`[M^(1)L^(-2)T^(-3)]`

B

`[M^(1)L^(2)T^(-3)]`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C

`E=(Q)/(At)`
`[E]=([L^(2)M^(1)T^(-2)])/([L^(2)T^(1)])=[L^(0)M^(1)T^(-3)]`.
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Newtons Law of Cooling)|40 Videos
  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos

Similar Questions

Explore conceptually related problems

State the SI unit and dimensions of emissive power.

Dimensions of time in power are

The dimensions of power are _____

S.I unit of emissive power is

From Kirchoff's law the ratio of emissive power and absorption power of all bodies-

At a certain temperature for given wavelength, the ratio of emissive power of a body to emmisve power of black body in same circumstance in known as

What is the dimension of time in power ?

NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Question Given in MHT-CET)
  1. A body cools at the rate of 0.5^(@)C//s when it is 50^(@)C above the s...

    Text Solution

    |

  2. If a gas expands under isothermal conduction, then what happen to rms ...

    Text Solution

    |

  3. 1 g of water at 100^(@)C is completely converted into steam at 100^(@)...

    Text Solution

    |

  4. What will be the r.m.s. speed of a gas at 800^(@)K ?

    Text Solution

    |

  5. What temperature does the average translational K.E. of a molecule is ...

    Text Solution

    |

  6. Calculate the total number of degree of freedom for a mole of diatomic...

    Text Solution

    |

  7. The light from th sun is found to have a maximum intensity near the wa...

    Text Solution

    |

  8. The substance which allows heat radiations to pass through it is

    Text Solution

    |

  9. The wavelength range of thermal radiation is

    Text Solution

    |

  10. A metal bal cools from 64^(@)C to 50^(@)C in 10 minutes and to 42^(@)C...

    Text Solution

    |

  11. The co-efficient of reflection of an opaque body is 0.16. Its co-effic...

    Text Solution

    |

  12. Gases excert pressure on the walls of the container , because the gas ...

    Text Solution

    |

  13. A gas is compressed isothermally . The rms velocity of its molecules

    Text Solution

    |

  14. Two copperr spheres of radii 6 cm and 12 cm respectively are suspended...

    Text Solution

    |

  15. Dimensions of emissive power are

    Text Solution

    |

  16. The pressure of an ideal gas is written as p=(2E)/(3V).Here E refers t...

    Text Solution

    |

  17. In the expression for boyle 's law the product pV has dimensions of

    Text Solution

    |

  18. The dimension formula of Stefan's constant is………… .

    Text Solution

    |

  19. A black body radiates heat at temperatures T(1) and T(2) (T(2) gt T(1)...

    Text Solution

    |

  20. For polyatomic molecules having 'f' vibrational modes, the ratio of tw...

    Text Solution

    |