Dual Nature of Light

Which scientist explained the photoelectric effect and proved that light can also behave as a particle?

• James Clerk Maxwell

• Isaac Newton

• Thomas Young

• Albert Einstein

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Which scientist demonstrated the wave nature of light using his double-slit experiment?

• James Clerk Maxwell

• Thomas Young

• Albert Einstein

• Isaac Newton

  
  

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Young & Maxwell: ____________: : Newton & Einstein: particle

• Wave

• Light

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Light acts like

• a wave.

• a particle.

• Both a wave and a particle

• neither a wave nor a particle.

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Light in the form of a particle that has discrete amount of energy is called a

• Charm

• Photon

• Exciton

• Muon

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All electromagnetic waves are...

• transverse waves and have the same frequency

• transverse waves and have the same speed

• mechanical waves and have the same wavelength

• longitudinal waves and have the same energy

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Electormagnetic radiation travels through a vacuum at a speed of 

• 186,000 m/s.

• 125 m/s

• 3.00 x 10⁸ m/s

• It depends on the wavelength

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Which phenomenon can be explained by the wave nature of light but not by its particle nature?

• • Photoelectric Effect

• • Compton Scattering

• • Interference

• • Photoelectric Emission

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Which scientist proposed the concept of matter waves, suggesting that particles such as electrons exhibit both particle and wave characteristics?

• Max Planck

• • Albert Einstein

• • Louis de Broglie

• • Werner Heisenberg

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The particle model of light postulates that energy exists in discrete values called __________________.

• quanta

• packets

• wavelength

• corpuscles

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