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Reflection of light on a colorless material. What happens on atomic level (sample salt cube NaCl Ion lattice)

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Voltage across points when going in reverse direction across cell

1 vote
2 answers
555 views

Particle in the 1D infinite square well

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Weyl anomaly in the bosonic string at one-loop

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2 answers
325 views
+100

It is possible to have a drag force which is non-Lipschitz?

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5 answers
146 views

When we say inertia is the quality of matter to resist changes in velocity, in what way does it 'resist'?

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8 answers
4k views

Can you actually stand inside a rainbow? I see people claiming you can

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Some questions related to the energy of a viscoelastic bar

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45 views

Spacelike geodesics of FLRW radiation universe

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1 answer
146 views

How to calculate the free mean path of electrons in the gas mixture?

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Bound State in External Fields, Weinberg Section 14.2

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The second-order correlation function

3 votes
6 answers
1k views

What does it mean by a wave oscillating?

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$\Gamma^{1PI}$ contribution to the effective action $\Gamma$

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