Match experiment or phenomenon with its significance to our modern understanding

Question

Match experiment or phenomenon with its significance to our modern understanding of physics. Only choose each experiment once, and choose the experiment that best matches the statement.

A B C D E  Energy levels are quantized.
A B C D E  Light behaves like a particle with an energy equal to hf. These particles are called photons.
A B C D E  Electrons can exhibit wave-like behavior.
A B C D E  The nucleus of an atom takes up only a tiny fraction of the total volume.
A B C D E  Massless photons have momentum.

A Blackbody Radiation B Rutherford Backscattering C Photoelectric Effect D Electron Diffraction E Compton Scattering

Explanation / Answer

a.Blackbody Radiation :   Energy levels are quantized.

b.Rutherford backscattering : The nucleus of an atom takes up only a tiny fraction of the total volume.

c. Photoelectric Effect : Light behaves like a particle with an energy equal to hf. These particles are called photons.

d. Electron Diffraction :   Electrons can exhibit wave-like behavior.

e. Compton Scattering : Massless photons have momentum

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