Answer:
Both a particle and a wave
Explanation:
The De Broglie hypothesis explains the dual behaviour of light, i.e., behaviour as a particle and as a wave. Broglie used Einstein's equation and Planck's equation of energy to relate the particle's behavior to light's behaviour.
Einsteins mass energy equation,
[tex]E = m {c}^{2} [/tex]
- Where E is energy of particle,
- m is mass of particle,
- c is speed of light
Plancks relation of energy,
[tex]E = \frac{hc}{ \lambda} [/tex]
- Where h is Plancks constant,
- and λ is wavelength of light
Equating both the equation,
[tex]m {c}^{2} = \frac{hc}{ \lambda} [/tex]
Cancelling c from both side,
[tex]mc \: = \frac{h}{ \lambda} [/tex]
where mc = p is momentum of light,
[tex] \lambda = \frac{h}{p} [/tex]
Above equation explains the wave particle duality of light.
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