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Physics : Recent Questions and Answers (Page 734)

Find answers to your questions about Physics or help others by answering their Physics questions.

What is an isolated system in capacitive circuit?

Does isolated system here means that the plates of capacitor need not be connected to terminals of a battery?...

Asked on 12/16/2020

2 answer

Can spheres leaking charge be assumed to be in equilibrium?

I am struggling with the following problem (Irodov 3.3):Two small equally charged spheres, each of mass $m$, are suspended from the same point by silk threads of length $l$. The...

Asked on 12/16/2020 by user27657

2 answer

Topological Hall Effect vs. Anomalous Hall Effect

Is the Topological Hall Effect just another name for the Anomalous Hall Effect in a system that isn't ferromagnetic? That is, will some papers refer to this phenomena as "Topological...

Asked on 12/16/2020 by Malcolm Regan

1 answer

Elongation of a rod hinged at the end

Suppose a rod is rotating in a horizontal frictionless plane, hinged at one of its ends. If the body is non rigid, it would change its length, but I am...

Asked on 12/16/2020 by user266897

2 answer

Best visualization of electric current and voltage

I asked this exact question on the electrical engineering stack exchange, and it was suggested that I post it here: So, I want to know what the best way...

Asked on 12/16/2020 by Lew Rod

1 answer

Can circularly polarized light resonate in a Fabry-Perot cavity?

I am curious as to how a standing wave of circularly polarized light may be forced to resonate in a Fabry Perot cavity as in this paper - ...

Asked on 12/16/2020 by intotheaxiverse

1 answer

Why do high energy waves e.g. X-rays get refracted very little?

Correct me if I am wrong but since refractive index is directly proportional to frequency, this would mean that higher frequencies would have higher refractive indexes i.e should bend more...

Asked on 12/15/2020 by Ahmed Bilal

1 answer

Unitarity and amplitudes

In Bootstrap and Amplitudes: A Hike in the Landscape of Quantum Field Theory there are few statements about analytical structure of amplitudes. ...

Asked on 12/15/2020 by Nikita

1 answer

Force on a relativistic laser source

Consider a laser source emitting a laser beam in the horizontal direction. If we are given the power of the laser source, we can calculate the force on the laser...

Asked on 12/15/2020 by Computer Guy

2 answer

On the origin of spin-lattice relaxation

According to P.J. Hore in the Oxford Chemistry Primer "Nuclear Magnetic Resonance" p57, 'the dipolar coupling, modulated by molecular motions, causes nuclear spins to experience time-dependent local magnetic fields which,...

Asked on 12/15/2020 by ETS

1 answer

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