Question

Which of the following does not belong in the electromagnetic spectrum? a. X-rayb. Sound c. Infrared ray d. Radio waves

Answer 1

Answer:

Option B.

Explanation:

The correct answer is Option B.

The electromagnetic spectrum is the rage of light decided by the scientist. This classification of the wave helps to study about the different waves and their properties.

There are seven rays that are present in the spectrum. The seven rays are radio wave, infrared rays, x-ray, visible ray, microwave rays, ultraviolet rays, and gamma rays.

Sound is the wave that is not present in the electromagnetic spectrum.

Answer 2

Answer:

Option b

Explanation:

The electromagnetic spectrum includes visible light waves, X-ray waves, radio waves, infra red waves, gamma waves, ultra violet waves and microwaves.

All the waves in the electromagnetic spectrum does not require any material medium for their propagation but in case of sound waves, a material medium is required for the propagation of sound without which it can not travel.