Particle nature of light Quiz

Light acts like

• a wave.

• a particle.

• Both a wave and a particle

• neither a wave nor a particle.

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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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What is Planck's Constant?

• 6.626x10^-34 Js

• 6.626x10^-39 J/s

• 3.0x10⁸ ms

• 3.0x10⁸ m/s

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'Quantum' is define as...

• Packets of energy

• the maximum amount of energy that can be gained or lost by an atom

• the minimum amount of energy that can be gained or lost by an atom

• The space time continuum

The distance between two corresponding parts of a wave is its

• amplitude

• frequency

• wavelength

• velocity

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Which wave has the largest wavelength?

• A
• B
• C
• None (same wavelength)

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The height of the wave from its resting point is called its

• wavelength

• amplitude

• velocity

• frequency

How many waves are in this picture?

• 1
• 2
• 3.5
• 4

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Which wave has the largest frequency?

• A
• B
• C
• None (same frequency)

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Which particle is a wave of light?

• proton

• neutron

• electron

• photon

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