Home
Class 11
PHYSICS
What is the difference between nm, mN, N...

What is the difference between nm, mN, Nm ?

Promotional Banner

Topper's Solved these Questions

  • Units and Measurements

    SL ARORA|Exercise Exercise|499 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • VECTORS

    SL ARORA|Exercise Problems For Self Practice|56 Videos

Similar Questions

Explore conceptually related problems

What is difference between mN and nm ?

The K_(alpha) X-ray emission line of lungsten accurs at lambda = 0.021 nm . What is the energy difference between K and L levels in the atom?

What is the difference in pressure between the inside and outside of a spherical drop of radius 2mm Surface tension of water =70 xx 10^(-3) "Nm"^(-1).

An argon-ion laser emits a blue-green beam of light with a wavelength of 488 nm in a vacuum. What is the difference in energy in joules between the two energy states for the atomic transition that produces this light?

To what series does the speciral lines of atomic hydrogen belong if its wavelength is equal to the difference between the wavenumber of the folowing two lines of the Balmer series 486.1 and 419.2 nm ? What is the waveeath of thqat line ?

What is the nergy difference ( in kJ mol^(-1) ) between the first and second shell fo H-atom if the first emission in the Lyman series occurs at lambda = 121.5 nm ?

What hydrogen-like ion has the wavelength difference between the first lines of the Balmer Lyman series equal to 59.3nm ?

SL ARORA-Units and Measurements-Exercise
  1. For a given base line, which will show a grater parallax - a distant s...

    Text Solution

    |

  2. Assertion : Parallax method cannot be used for measuring distance of ...

    Text Solution

    |

  3. What is the difference between nm, mN, Nm ?

    Text Solution

    |

  4. Do all physical quantities have dimensions? If no, name three physcia...

    Text Solution

    |

  5. If 'slap' times speed equals power, what is the dimensional formula fo...

    Text Solution

    |

  6. What is the SI unit of linear momentum?

    Text Solution

    |

  7. Using the principle of homogeneity of dimensions, which of the followi...

    Text Solution

    |

  8. In S=a+bt+ct^2. S is measured in metres and t in seconds. The unit of ...

    Text Solution

    |

  9. What are the dimensions of a and b in the relation F = at + b x, whrer...

    Text Solution

    |

  10. Name the physical quantites having dimensions [M^1 L^2 T^(-2)].

    Text Solution

    |

  11. Write three physical quantities having dimensions [ML^-1 T^-2].

    Text Solution

    |

  12. If the units of force and length are doubled, then the unit of energy ...

    Text Solution

    |

  13. The velocity of a body is given by v=At^2+Bt+C. If v and t are express...

    Text Solution

    |

  14. The retadation experienced by a moving motor boat after its, engine is...

    Text Solution

    |

  15. The SI unit of energy is J = kg m^2 s^(-2), that of speed upsilon is m...

    Text Solution

    |

  16. The SI unit of energy is J = kg m^2 s^(-2), that of speed upsilon is m...

    Text Solution

    |

  17. The SI unit of energy is J = kg m^2 s^(-2), that of speed upsilon is m...

    Text Solution

    |

  18. The SI unit of energy is J = kg m^2 s^(-2), that of speed upsilon is m...

    Text Solution

    |

  19. The SI unit of energy is J = kg m^2 s^(-2), that of speed upsilon is m...

    Text Solution

    |

  20. Use principle of homogenity of dimensions to find which one of the fo...

    Text Solution

    |