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  • Answer please! The dimensional formula of wave number is

The dimensional formula of wave number is
 

  • Option 1)

    M^{0}L^{0}T^{-1}

  • Option 2)

    M^{-1}L^{-1}T^{0}

  • Option 3)

    M^{0}L^{-1}T^{0}

  • Option 4)

    M^{0}L^{0}T^{0}

 

Answers (1)

best_answer

As we learnt in 

Dimension -

The power to which fundamental quantities must be raised in order to express the given physical quantities.

-

 

 wave number 

K=\frac{2\pi }{\lambda } =M^{0}L^{-1}T^{0}


Option 1)

M^{0}L^{0}T^{-1}

Option is incorrect

Option 2)

M^{-1}L^{-1}T^{0}

Option is incorrect

Option 3)

M^{0}L^{-1}T^{0}

Option is correct

Option 4)

M^{0}L^{0}T^{0}

Option is incorrect

Posted by

divya.saini

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