Arrange the following in the ascending order of wavelength $(\lambda) :$
$(A)$ Microwaves $(\lambda_1)$
$(B)$ Ultraviolet rays $(\lambda_2)$
$(C)$ Infrared rays $(\lambda_3)$
$(D)$ $X-$rays $(\lambda_4)$
Choose the most appropriate answer from the options given below $:-$

• A
  $\lambda_4 < \lambda_2 < \lambda_3 < \lambda_1$
• B
  $\lambda_4 < \lambda_3 < \lambda_2 < \lambda_1$
• C
  $\lambda_4 < \lambda_2 < \lambda_1 < \lambda_3$
• D
  $\lambda_3 < \lambda_4 < \lambda_2 < \lambda_1$