Physics Questions, Problems & Solutions : TransWikia.com ~ Page 338

Phase shift of 180 degrees of transversal wave on reflection from denser medium

Can anyone please provide an intuitive explanation of why phase shift of 180 degrees occurs in the Electric Field of a EM wave, when reflected from an optically denser medium?...

Asked on 05/14/2021 by WhizKid

6 answer

Complex conjugation between particle/ anti-particle?

I am just a first year undergrad so I don't really know much about particle physics or the underlying mathematics. So I'm very sorry if the following question may be...

Asked on 05/14/2021 by TwoStones

1 answer

Why are edge fields in undolators necessary to comply with Maxwell?

In our lecture scripts there is a paragraph about the magnetic field of an undulator: "Its [the undulators] magentic field can be described bybegin{equation} vec{B}equiv-B_0 begin{pmatrix} 0...

Asked on 05/14/2021

1 answer

Why doesn't source affect sound's speed in doppler's effect?

In the derivation of the doppler's effect formula$$f_{app} = ffrac{v ± v_{observer}}{v ± v_{source}}$$It is assumed that the speed of sound is unaffected by its source's speed...

Asked on 05/14/2021

1 answer

Why Does Resistance of a Conductor Increase With Length?

Most common explanation is as wire is longer electrons experience more collisions as they move from one to the other end of the wire. While I agree with this what...

Asked on 05/14/2021 by Dario Mirić

3 answer

How is the kinetic matrix of a Lagrangian defined?

In this question the term kinetic matrix of a Lagrangian is used, but I cannot find a general definition anywhere in wikipedia or elsewhere. Can anyone tell me the...

Asked on 05/14/2021

2 answer

2nd Quantization of KG Field

The space of solutions of Klein Gordon-equation Klein Gordon-equation is spannedby eigenbasis consisting of plane wave solutions$Amathrm{e}^{-i(vec{p}cdotvec{x} pm E_pt)}$ which correspond topositive (negative)...

Asked on 05/14/2021

0 answer

Covariant derivatives of the frame field, are they the same?

There is a exterior covariant derivative$$D alpha_a = d alpha_a -omega^b{}_a wedge alpha_b;, tag 1$$and another $D$ in the vierbein postulate$$D_mu e_{Ialpha}=partial_mu e_{Ialpha}-omega_mu{}^J{}_Ie_{Jalpha}-Gamma_mu{}^{lambda}{}_alpha e_{Ilambda}=0;.tag...

Asked on 05/14/2021 by user145902

2 answer

If gram isn't part of the SI system, then how is it that SI recognizes its symbol?

If gram is of the CGS system of measurement (which is a variant of the metric system, which is still used), then how does SI recognize its symbol? When it...

Asked on 05/14/2021 by Shahzad Rahim

1 answer

Can we say frequency is equivalent to mass?

Is it possible to combine Einstein's $E = m{c}^{2}$ and Max Planck's $E = hv$ and conclude mass is equivalent to frequency? If no, where exactly is the...

Asked on 05/14/2021 by Madhurima Lahiri

2 answer

Ask a Question

Get help from others!

Physics : Recent Questions and Answers (Page 338)

Ask a Question