Consider the following statements regarding the electromagnetic spectrum:
$(A)$ The wavelength of microwaves is greater than that of $UV$ rays.
$(B)$ The wavelength of $IR$ rays is less than that of $UV$ rays.
$(C)$ The wavelength of microwaves is lesser than that of $IR$ rays.
$(D)$ Gamma rays have the shortest wavelength in the electromagnetic spectrum.
Which of the above statements are true?

• A
  $(A)$ and $(B)$ are true
• B
  $(C)$ and $(D)$ are true
• C
  $(A)$ and $(C)$ are true
• D
  $(A)$ and $(D)$ are true