Which of the following radiations has it's frequency lower than that of infrared radiation?
A
Utra-violet rays
B
gamma rays
C
x-rays
D
radio waves
Verified Correct Answer: D.
Physical Principles & Numerical Solution
Radio waves have lower frequencies compared to infrared radiation, while ultraviolet rays, gamma rays, and x-rays have higher frequencies.
Source: Myschool Past Questions Archive (Record #35680)