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Physics : Recent Questions and Answers (Page 239)

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

How can we "isolate" a qubit

From Wikipedia : In ion quantum computer, if the ions are not properly isolated, noise can result from ions interacting with external electromagnetic fields, which creates random...

Asked on 06/24/2021

1 answer

Is Veritasium's "Shadow Illusion" caused by Image formation or Diffraction?

I was watching this video on the YouTube channel Veritasium. In this episode, the host shows people paper containing holes of different shapes in the middle....

Asked on 06/24/2021 by Aswin P J

2 answer

How does an accelerating mass on a ring interact with the ring?

In outer space, imagine a mass $m$ on a ring with mass $M$. The small mass is given a velocity $v$ after which it moves without friction...

Asked on 06/24/2021

3 answer

Fluid mechanics Laminar flow over a flat plate momentum integral estimates

How do you derive the above expression for u, which assumes a parabolic velocity profile? The two boundary conditions u...

Asked on 06/24/2021

0 answer

If light is electromagnetic then can light produce electricity or attract metals?

what I mean to say is that if light is electromagnetic in nature then shouldn't it show electric or magnetic properties on matters? Like if light falls on a...

Asked on 06/24/2021 by Saranya Nayak

5 answer

Trick for calculating the thermal entropy of the SYK model in the large $N$ limit

Reading about the SYK model I encounter a trick that should help to calculate the thermal entropy of the system. I am not able to understand what they are doing...

Asked on 06/24/2021

1 answer

Question about discretizing Laplace equation of potential flow

I've learned from fluid mechanic class that the laplace equation of stream function $Phi$ can be discretized by $Phi_{0}=frac{Phi_{A}+phi_{B}+Phi_{C}+Phi_{D}}{4}$,...

Asked on 06/24/2021

0 answer

Is temperature a Lorentz invariant in relativity?

If an observer starts moving at relativistic speeds will he observe the temperature of objects to change as compared to their rest temperatures?Suppose the rest temperature measured is $T$...

Asked on 06/24/2021 by Sahil Chadha

7 answer

Neutrinos detection. What mechanism for their interaction with matter?

As for the title, by which way neutrinos can interact with matter such as, e.g., pseudocumene or other scintillators? Is it a merely mechanical collision? Do neutrinos collide with nuclei...

Asked on 06/24/2021

1 answer

How can a rocking boat be modelled?

I am seeking an algoritm for how an unpropelled, unanchored boat at rest moves due to waves. Pitch, yaw, vertical and horizontal displacement are sought....

Asked on 06/24/2021

0 answer

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