50:05
CHM-421
Q: Crystal of which element was used to verify dual nature of light?
Answers
Answer: The Davisson-Germier experiment proved that the electron is a wave, supporting de Broglie's prior theory. It marked a significant advancement in the development of quantum mechanics by giving wave-particle duality a solid experimental foundation. This was the first time that the Bragg law for diffraction had been used to study particle waves rather than x-ray diffraction.
Explanation:
Step :1 A key idea in JEE physics is the concept of dual nature of matter, which is essentially the study of the various natures that a substance can possess or display. A substance may exhibit or possess either a particle nature or a wave nature.
Step :2 A French physicist named Louis De Broglie proposed in 1924 that if light has the properties of both a particle and a wave, then matter should have the same dual behavior.
The photoelectric effect describes how light-induced electron emission (or ejection) from a metal's surface occurs. The incident light's energy is absorbed by the metal's electrons, giving the electrons enough energy to emit light from the metal's surface.
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