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Questions related to Physics
The universal/molar/ideal gas constant R is given by R=PV/nT; this however, on an average, is considered true for gases (H2, O2, N2 are excluded). Involving R in chemical expressions dealing with...
01 January 2019 4,382 12 View
There are many definitions about plasma temperature, like electron temperature, ionization temperature, excitation temperature, atomic temperature, ionic temperature... What do they mean? I am...
01 January 2019 5,608 2 View
How does even Majorana Fermion exist ? Why any fermion can be written as a combination of two Majorana fermions? Is there any physical meaning in it? Why Majorana fermion can be used for...
01 January 2019 8,839 3 View
Is there any body which is at rest but not in equilibrium? There are two conditions for a body to be in equilibrium: (i) Sum of forces acting on body= 0 (ii) Resultant torque = 0 If a body is in...
01 January 2019 2,454 15 View
01 January 2019 5,905 20 View
How many colors can the human eye distinguish?
12 December 2018 9,351 26 View
"Once upon a time, we soared into the solar system for a few years, then we hurried back. Why? What happened? What was Apollo really about?" - Carl Sagan. I researched this question. Funding,...
11 November 2018 5,282 24 View
What are stages of Applied Physics Letters once you have submitted the article. And, also, how many days usually each step take?
11 November 2018 6,834 5 View
I have been looking for studies done that compare the congener retention differences between differently shaped glassware. It is "known" that bulb shaped nosing glassware "concentrate" congeners...
11 November 2018 3,399 0 View
Tan delta equal dielectric loss over dielectric constant where the dielectric loss is imagenary part and the dielectric constant is real part and delta plus phase angle equal 90 degree
11 November 2018 6,385 1 View
Hello for all, Kindly, I need to know the clear and proper difference between numerical, analytical, and computational physics. with warm regards Fouad
11 November 2018 6,096 0 View
Dear all, Referring to wikipedia https://en.wikipedia.org/wiki/First_principle >> In physics, a calculation is said to be from first principles, or ab initio, if it starts directly at the...
11 November 2018 6,222 0 View
In Bipolar transistors electron hole is present
05 November 2018 8,303 3 View
03 November 2018 930 36 View
Chronic autoimmune skin disease. This condition occurs when the immune system sends out wrong signals .These signals increase the speed of the skin's growth cycle, that is, excessive increase in...
10 October 2018 3,424 2 View
Does anybody have numbers for the attenuation of the gamma radiation of Lu-177 (208 keV) in brick or gypsum? I am looking for the tenth-value or half-value layer.
10 October 2018 1,671 3 View
Dear Colleagues and Professors, I am doing experiments on the interaction between magnetic liquid and strong magnets to display the magnetic field line of a magnet. In best conditions, the...
10 October 2018 1,078 12 View
Author has mathematically quantified monopole magnetic systems by modifying Maxwell Equations, please see attached file, to apply modeling magnetic only situations that GUTs singularities, per...
10 October 2018 1,961 20 View
Hi, I have a rather simple experiment in which I am evaporating water in a 250mL sample bottle. The sample bottle is supplied with a inflow of N2 gas (5L/min). A 10mm hole (circular) was drilled...
10 October 2018 4,163 0 View
Hi everybody, I have a question about the circle of friction or Kamm circle. This circle is used in vehicle modelling, but I did not understand this well. I say my own opinion, please let me know...
10 October 2018 6,719 5 View
Einstein stated that “The same laws of electrodynamics and optics will be valid for all frames of reference for which the equations of mechanics hold good”. In general, one of the main principle...
09 September 2018 10,392 59 View
Dear colleagues, We are conducting experiments on battery-magnet systems running in copper tube (also known as World's Simplest Electric Train). Our equipments includes: -A pin size AAA...
09 September 2018 8,594 5 View
Dear colleagues, Do you have an idea about the source of light through which we see dreams ? and what is the source of light through which we can see the colors we see in dreams? I wish you all...
09 September 2018 7,557 97 View
Dear colleagues, I am reaching out to the scientific community, to safeguard the intellectual property(IP) rights of an unpublished novel proposal idea. While published work can be claimed for...
09 September 2018 4,155 23 View