Physics · Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, Gamma rays), applications of electromagnetic waves
The electromagnetic waves travel in free space with the velocity of
The electromagnetic waves travel in free space with the velocity of
- A. Sound
- B. Light
- C. Greater than that of light
- D. Greater than that of sound
Step-by-step solution
Electromagnetic waves, including light, travel at the speed of light in free space, which is approximately 3 × 10^8 m/s. Sound travels much slower, and nothing travels faster than light in vacuum.
Related MCQs
- The electromagnetic waves…
- Which of the following type of radiations are radiated by on oscillating electric charge?…
- Name the rays or waves of wavelength nearly…
- Which one moves with greatest speed:…
- Choose the correct answer from the alternatives given. A radio can tune to any station in 7.5 MHz to 12 MHz band. The corresponding waveleng…