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cover
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4 votes
3 answers
967 views

What is a quantum state?

4 votes
1 answer
113 views

Does the Lamb shift occur only in $n=2$?

3 votes
2 answers
1k views

Magnetic flux through circular loop due to infinite wire [closed]

2 votes
0 answers
52 views

In which cases you use free energy to calculate pressure?

1 vote
1 answer
38 views

Why do we write wave function for electronic transition in molecules like this?

1 vote
3 answers
66 views

What is the motivation behind assumption when solving one dimensional harmonic oscillator?

0 votes
1 answer
190 views

How can you increase power of a light source?

0 votes
1 answer
113 views

Do ions in solution flow through wires in electric circuit?

0 votes
0 answers
12 views

Can photomultiplier measure energy of incident photon?

-2 votes
1 answer
127 views

What does this bra-ket equation mean? [closed]