Why in classical mechanics, it is necessary to deal with the quantities which are constant in time?

11 December 2015 2,588 19 View

What is the difference between microscopic and phenomenological approach to study nuclear physics?

If we are using a quantum mechanical framework to study the various nuclear structure properties of various set of nuclei, then how can we say that the approach used is phenomenological or...

08 September 2015 7,412 0 View

While doing calculations on some nuclei, why would I have obtained reduced transition probabilities for some isotopic mass chain of nuclei?

While observing the pattern so obtained for all the isotopes, it is found that B(M1) value for one of the isotope is showing just opposite trend than the rest of isotopes. What would be the reason...

07 August 2014 3,485 0 View

Why don't electrons emit radiations in stationary orbits while revolving around the nucleus?

As we know that, accelerated charged particle radiates energy while moving. why is this not so in the case of electron revolving in the stationary ortbit?

07 August 2014 8,987 15 View

Is there any difference between nano-crystals and nano-dots?

07 August 2014 1,739 5 View

In the reaction where two muons decay to two kaons, which type of interaction is involved?

I think this phenomenon involves a weak interaction, because as in beta decay the parity of the muon is not conserved.

07 August 2012 6,629 1 View

How Hartree Fock approximation method is applied to nucleus?

Also tell me the density matrix approximation?

07 August 2012 2,439 6 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

How to Interpret Partial Eta Squared Numbers For a Repeated Measures Anova?

I have obtained Partial Eta Squared Numbers through Two-Way Mixed Anova Analysis. My results for different constructs are: .105, .135, .038, .068, .061 respectively. I wanted to know, whether...

24 February 2021 7,122 1 View