Q14 / 155 · WBJEE 2019 · Chemistry

The quantity $h v / K_{\mathrm{B}}$ corresponds to

  • A
    wavelength
  • B
    velocity
  • Correct answer
    C
    temperature
  • D
    angular momentum

Solution

The quantity $h v / K_{\mathrm{B}}$ corresponds to temperature. $h v=3 / 2 K_{\mathrm{B}} T$ where, $T=$ temperature $K_{\mathrm{B}}=$ Boltzmann constant $$ \begin{array}{l} \frac{h v}{K_{B}}=\frac{3}{2} T \end{array} $$ since, $\frac{3}{2}$ is a constant, the value of $\frac{h v}{K_{\mathrm{B}}}$ corresponds to temperature. Therefore option (c) is correct.

Hence, the correct answer is option: 'C'.

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