Q62 / 79 · NEST (NISER) 2026 · Physics
Among the following, the waves responsible for energy transfer in vacuum are
- Asound waves.
- Bseismic waves.
- CSONAR waves.
- Correct answerDinfrared waves.
Solution
Mechanical waves such as sound waves, seismic waves, and SONAR waves require a material medium for their propagation and cannot travel through a vacuum.
Infrared waves are electromagnetic waves. Electromagnetic waves do not require any material medium for their propagation and can easily travel through a vacuum, transferring energy.
Therefore, infrared waves are responsible for energy transfer in vacuum.
Answer: infrared waves.
Infrared waves are electromagnetic waves. Electromagnetic waves do not require any material medium for their propagation and can easily travel through a vacuum, transferring energy.
Therefore, infrared waves are responsible for energy transfer in vacuum.
Answer: infrared waves.
Hence, the correct answer is option: 'D'.