What will come at the place of (?)
PHOTON : LIGHT :: PHONON : ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is: Sound
Here, the relationship between a wave or quantum of energy is shown:
A photon is the smallest elementary particle, or quantum, of light energy. That is, light is composed of photons.
Similarly, a phonon is a quantum of sound or vibrational energy. It is a subatomic particle that exhibits collective excitation of sound or thermal vibrations in a solid crystal lattice.