Physics Questions, Problems & Solutions : TransWikia.com ~ Page 166

What is the difference between irreversible and reversible isochoric processes done on an ideal monatomic gas in a frictionless system?

Suppose we had two thermal reservoirs at $T_{c}$ and $T_{h}$ with $T_{c} < T_{h}$ and an infinite series of thermal reservoirs with a continuous range of temperatures...

Asked on 07/23/2021

0 answer

Huygens Principle, and Polarization after reflection of a perfect metallic surface in a vacuum

Up front, I should be clear I am NOT asking about polarization effects which are induced by partial reflection/refraction involving materials such as air and water and their indexes of...

Asked on 07/23/2021 by Fugby

0 answer

Hamiltonian mechanics really useful for numerical integration? Lagrange equations can become 1st-order by introducing extra variables

(I'm talking about the classical mechanics.) Many texts say that Lagrange equations are difficult to treat numerically because they are second-order ODEs, ${f_i(boldsymbol{q, dot{q}, ddot{q}}}) = 0$, and Hamilton...

Asked on 07/23/2021 by akai

2 answer

Derivation of proper time with respect to time

I’m confused on how the author got this answer.He started with this:$$frac{d(text{proper time})}{dt}=frac{sqrt{dt^2-dx^2}}{dt}=sqrt{1-v^2}$$I don’t get how this is solved, specifically where the $1$ came...

Asked on 07/23/2021 by Peter Anderson

1 answer

How does increased fluid velocity give rise to low fluid pressure at a point?

Pressure difference is inversely proportional to velocity. But how is it valid at a point? Can you also include the example when we squeeze a pipe in which water is...

Asked on 07/23/2021

1 answer

Set of unitary operators such that $U|0rangle = |psirangle$

In quantum computing, one of the central areas of study is to determine efficient quantum circuits - described by unitaries - to prepare a state $|psirangle$ from the initial...

Asked on 07/23/2021

1 answer

Electromagnetic induction in varying current

I know about Faraday's Law and how it states that an electric field will be produced if it will sense a change in magnetic flux that there are other sources...

Asked on 07/23/2021 by Czar Luc

1 answer

Why are filter flare images centrally inverted?

A previous question asked about the origin of the ghost-like image of the fluorescent bulb on this image, which turns out to be...

Asked on 07/23/2021

2 answer

Adiabatic approximation

The celebrated adiabatic theorem states that for a system initially in the eigenstate $|psi(0)rangle = |n(0)rangle$ for $t=0$, it will stay in that state afterward under adiabatic evolution:...

Asked on 07/23/2021

1 answer

Does the energy density of the universe decrease when objects become gravitationally bound?

We know that the mass of an Iron nucleus is proportionally lower than the mass of a hydrogen nucleus (a proton) compared to the sum of the individual nucleons. This...

Asked on 07/23/2021 by Benjamin Rogers-Newsome

1 answer

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