If wavelengths of visible rays,microwaves,and $X$-rays are $\lambda_v$,$\lambda_m$,and $\lambda_x$ respectively,then which of the following relations is correct?

  • A
    $\lambda_m > \lambda_v > \lambda_x$
  • B
    $\lambda_v > \lambda_m > \lambda_x$
  • C
    $\lambda_m < \lambda_v < \lambda_x$
  • D
    $\lambda_v = \lambda_m = \lambda_x$

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