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De Broglie proposed that particles can exhibit wave-like properties.  

The exponent in scientific notation represents the number of significant figures.

Wind turbines harness potential energy.

The Doppler effect applies to both sound and light waves. 

The focal length of a lens is the distance from the lens to the image.  

Schrödinger’s equation predicts the exact position of electrons.  

Specific heat is the heat needed to raise 1 kg of a substance by 1 oC.

Alternating current (AC) is used in homes because it is safer than direct current (DC).  

Potential energy is the energy of position.

Interference can result in both constructive and destructive patterns.