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What is wave-particle duality?

As you may have already seen, light sometimes behaves as a wave and sometimes as a particle. This is due to something we call "wave-particle duality" by which we mean that objects on the quantum sc...
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Answered by Petr Z. • Physics tutor
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Answered by Vicente O. • Physics tutor
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What happens to ice when energy is supplied at a constant rate in terms of the changes in energy of the molecules?

If we start with water at 263K (ice) then the molecules are positioned in a regular lattice structure held in place by hydrogen bonds. The molecules have some vibrational energy but not much translational en...
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Answered by Stuart D. • Physics tutor
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Describe the kinetic model composition of a solid

Tightly packed particles vibrating about a fixed point.
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Answered by Cam D. • Physics tutor
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State Lenz's law and hence describe and explain what happens to a magnet travelling through a metal tube

Lenz's law states that the direction of current due to emf induced by a changing magnetic flux is always such that it opposes the change that induced it. When a magnet travels through a copper tube this indu...
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Answered by Melisande C. • Physics tutor
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