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Physics : Recent Questions and Answers (Page 200)

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

Implication of a third observer in time dilation derivation

View from A View from B View from C...

Asked on 07/08/2021 by christo183

4 answer

How to calculate a straight edge diffraction pattern?

A straight edge diffraction pattern is not the same as a slit or multiple slit diffraction pattern. The spacing between fringes is not equal but gradually gets smaller the farther...

Asked on 07/08/2021

1 answer

Do spinors form a vector space?

In contradiction to a number of other authors (sample ref below), Gerrit Coddens, at France’s prestigious Ecole Poytechnique, asserts that: 2.2 Preliminary caveat: Spinors do not build a vector space...

Asked on 07/08/2021 by iSeeker

5 answer

Why terminal velocity exists?

Why the acceleration of free-falling bodies become zero after some time? My only idea would be that the closer to the core of Earth we are, the value of "g"...

Asked on 07/08/2021

3 answer

Hamiltonian of a quantum circuit including a diode?

The LC circuit has a Hamiltonian:$$hat{H}={E_Lover2} hat{varphi}^2 + 4E_C hat{n}^2$$where $hat{varphi}$ is the magnetic flux and $hat{n}$ is the number of charge....

Asked on 07/08/2021

2 answer

Regarding change in enthalpy and its causes

delta H = delta U + P*delta V. Textbook says that this means a change in enthalpy could either be due to a change in internal energy OR expansion/compression work....

Asked on 07/08/2021

1 answer

Effect of forces inside a sphere

What would be the effect of applying two parallel forces of the same value at opposite points of the equator inside a sphere? Common sense tells me that it wouldn't...

Asked on 07/08/2021

1 answer

Is there a small spark every time a switch is closed to engage a circuit?

Suppose we have a simple circuit with a resistor $R$ connected to a DC voltage source $V_{text{batt}}$. The circuit can be enabled or disabled by a switch. The...

Asked on 07/08/2021 by Jagerber48

2 answer

Hollow charged spherical shell with charge in the center and another charge outside

I came across this question :A thin metallic spherical shell contains a charge $Q$ on it. A point charge $q$ is placed at the Centre of the shell...

Asked on 07/08/2021 by HelpAyoungPhysicist

1 answer

Full solution of the quantum particle on a ring

In quantum particle in a ring problem, the general solution for the wavefunction, with $k = R sqrt{2 m E / hbar^2}$, $R$ being the ring...

Asked on 07/08/2021 by Nigel1

1 answer

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