Arrange the following electromagnetic waves in decreasing order of their frequencies.

(A) FM radio waves
(B) UV rays
(C) Gamma rays
(D) X-rays

Choose the correct answer from the options given below:

(C), (D), (B), (A)

The correct answer is Option (2) → (C), (D), (B), (A)

Order of electromagnetic waves according to decreasing frequency:

Gamma rays > X-rays > Ultraviolet rays > Radio waves

Answer: (C) → (D) → (B) → (A)