Which of the following statements is/are correct?
i.Visible light is a very small part of the entire electromagnetic spectrum.
ii.Low frequency electromagnetic radiation has a short wavelength
iii.Electromagnetic radiation travels at a finite speed
A)i only
B)ii only
C)iii only
D)i and ii
E)i and iii

Question

Quizplus · Accepted Answer

i) Visible light only occupies a small portion of the electromagnetic spectrum. 
ii) Low frequency electromagnetic radiation has a longer wavelength. 
iii) Electromagnetic radiation, including light, travels at a finite speed in a vacuum (299,792,458 meters/second, to be exact). Therefore, statement i and iii are correct, and statement ii is incorrect.

Which of the Following Statements Is/are Correct