Q. Radio waves and visible light in vacuum have
A) Same velocity but different wavelength
B) Continuous emission spectrum
C) Band absorption spectrum
D) Line emission spectrum
Explanation
(a) In vacuum velocity of all EM waves are same but their wavelength are different
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.