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I've already made a post about this topic here, but I realized that I didn't understand the explanation on that post. in Chapter 7 of Rindler's book on relativity, in...
Asked on 06/05/2021 by Lil'Gravity
2 answerResearch shows that waterfalls and apparently showers produce negative ions, is there a certain height or velocity for water to fall to produce negative ions?...
Asked on 06/05/2021
0 answerGiven that space is not a perfect vacuum, what is the speed of sound therein? Google was not very helpful in this regard, as the only answer I found was...
Asked on 06/05/2021 by Josh Glover
7 answerWe have a round bathtub with a surface radius of about 15 cm or greater. It so happens that the water that came from the tab has a little sand...
Asked on 06/05/2021
0 answerAnyone know how can i design antenna for electric field detection. i m trying to make contactless Ac mains Detector which range is near about 1-mtr long.my question is...
Asked on 06/05/2021 by Er.rht
1 answerI came across a problem which is as follows: Screen S is illuminated by two point sources A and B. Another source C sends a parallel beam of light towards...
Asked on 06/05/2021
0 answerAn ideal conducting solid sphere of radius $R$ and center $O$ is brought near a dipole with a dipole moment of magnitude $p$. Let the center of...
Asked on 06/05/2021 by Abhinandan
3 answerWhen a $pi^0$ decays into photons, the only possible number of photons to which it can decay is $2times n$, with $n$ a natural number. This is...
Asked on 06/05/2021
1 answerIf I have the following Lagrangian $$L'=frac{1}{2}dot{x}^2+frac{1}{2}dot{y}^2$$ I can impose the constraint $x-y-C=0$ via a Lagrange multiplier $lambda$, so the new Lagrangian is $$L=frac{1}{2}dot{x}^2+frac{1}{2}dot{y}^2+lambda(x-y-C),$$ whose Euler-Lagrange...
Asked on 06/05/2021
3 answerI was curious about the famous $p=hbar k$ equation. In high school I think you are just exposed to this equation with the explanation of "something something matter waves."...
Asked on 06/05/2021
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