Radio wave Micro wave Infrared wave P Q R Gamma Ray

The table above shows the components of electromagnetic spectrum in order of increaasing frequency.Which of the following sets correctly identifies P, Q, R respectively?

A.

Visible, ultraviolet, X-ray

B.

X-ray, visible, ultraviolet

C.

Ultraviolet, visible, X-ray

D.

X-ray, ultraviolet, visible

Correct answer is A

No explanation has been provided for this answer.