Which of the following pairs is part of the electromagnetic spectrum?
I. Radio waves
II. sound waves
III. Gamma rays
IV. water waves
A
I and II
B
III and IV
C
I and III
D
II and IV
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Examples of electromagnetic waves are radio waves, X-rays, gamma rays, light rays, etc
Source: Myschool Past Questions Archive (Record #56927)