Light Duality

It forms the basic unit of electromagnetic radiation, which propagates in space through electromagnetic waves.

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He proposed that "Light is a wave".

• Christiaan Huygens

• James Maxwell

• Isaac Newton

• Albert Einstein

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What particle do atoms release after the electrons relax back down to a lower energy state?

• photon

• wave

• quantum

• proton

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Electromagnetic radiation travels in the form of what kind of waves?

• transverse

• longitudinal

• compression

• ocean

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Eventually these discreet packets got called ____ because of Einstein's work.

• particles

• blackbodies

• photons

• quanta

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When light hits a metal plate and electrons leave the plate creating a current, this is called the ______.

• particle effect

• photoelectric effect

• light and particle effect

• photoparticle effect

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Light is both a(n) _____ and a wave.

• energy

• particle

• effect

• principle

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Which experiment demonstrated the wave nature of light through the interference pattern?

• Young's double-slit experiment

• Photoelectric effect experiment

• Rutherford's gold foil experiment

• Millikan's oil drop experiment

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Who proposed the concept of wave-particle duality of light?

• Albert Einstein

• Niels Bohr

• Louis de Broglie

• Max Planck

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What phenomenon occurs when light behaves as a particle and ejects electrons from a metal surface?

• Compton scattering

• Photoelectric effect

• Diffraction

• Refraction

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