12th Science | Dual Nature of Radiation And Matter in 1 Shot | HSC
PW Maharashtra・2 minutes read
Light has a dual nature as both a particle and a wave, explaining phenomena like reflection and refraction, but black body radiation and the photoelectric effect demonstrate the particle nature of light through emission in packets proportional to frequency and the emission of electrons on a metal surface. Einstein's explanation of the photoelectric effect links kinetic energy to incident radiation frequency, confirming light's particle nature through experiments like electron diffraction.
Insights
- Light is a dual entity, acting as both a particle and a wave, explaining phenomena like reflection and refraction through its wave nature.
- The photoelectric effect, where incident radiation causes electron emission, showcases the particle aspect of light, with Einstein's work function concept linking electron kinetic energy to incident radiation frequency, reinforcing light's particle nature.
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Recent questions
What is the dual nature of light?
Particle and wave
How is black body radiation explained?
Energy emission in packets
What is the photoelectric effect?
Emission of electrons from metal
When does current flow in the photoelectric effect experiment?
Exceeding threshold frequency
What is the stopping potential in the photoelectric effect?
Minimum negative potential to stop current
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