Light waves are different from sound waves because__:
1. Light waves are electromagnetic but sound waves are not
2. Light waves can travel through water but sound waves cannot
3. Light travels with the same speed in all media
4. Light waves produce interference but sound waves do not
Which among the above statements is / are correct?

Answer: [A] Only 1

Sound Waves Light Waves
Travel with a speed of 332 m/s at 0 C. Travel with a speed of 3 *10 8 m/s.
Require a medium. Do not require a medium
Are longitudinal waves consisting of compressions and rarefactions. Are electromagnetic waves consisting of varying electric and magnetic fields.
Are of different frequencies, giving notes of different pitches. Are of different frequencies, resulting in different colors.
Do not travel far as their energy is dissipated easily. Can travel through a much

This question is a part of GKToday's Integrated IAS General Studies Module