Recent content by Esfand Yar Ali

How can I increase the output current from a piezoelectric trasnducer using PZT ceramic? The requirement is about 1.2 Amp but currently I'm only getting about 0.2 mA per unit.

This thing has been bugging me lately that can the constant mass density phenomenon of the universe may not be due to inflation? Can it be considered a consequence of the Casimir effect on the ( Supposed) boundaries of the universe?

I have a question regarding the two seemingly different phenomenon of gravity and entropy.I want to ask that exactly how the gravity and over-all entropy of the universe are related?The thing that came to my mind is that could gravity be not a fundamental force of nature at all? Could it be a...

Yes,the volume will ot decrease in the first place.Then how is it explained

Can I say that because of the removal of 30 molecules,the pressure will decrease but so as the volume,thus temperature will remain constant?

okay,now consider this. I've say 50 molecules of any gas in a chamber ,and because of their collisions ,they'll have a particular pressure and thus temprature in the system.Now , if remove 30 molecules from it ,the pressure will decrease ,but what will happen to the temprature?

e=mc2. The most brilliant equation I've ever seen and it kind of made me appreciate mathematics

Can anyone tell me about how temperature is an intensive property.Intensive properties are roughly those which do not depend on the size of the system or amount of matter in the system,but temperature does depend on amount of matter because it has a relation with pressure also,and pressure...

We all know the famous mass-energy relation E=mC^2,but my question is what does this really mean.I mean if I apply this equation for a normal practical application case e.g. burning of wood,the energy I will get from this combustion reaction will be equal to the mass I used multiplied by C^2.Is...

I think this explanation is good Zapper

I need some explanations about this phenomenon of 'diffrent velocities' of the ejected electrons,the links you've given have no explanation on this

now my concepts are clearing a little bit,but I need some more explanations,well thanks for your support!

Quantum Physics is as much interesting as relativity physics and cosmology!

you can look at 'Halliday-Resnick-Walker's Physics'

It is explained in a book that to know the kinetic energy of the photo-electrons ,we reverse the polarity so that the minimum energy can be known.but I want to know that if we are incidenting same frequency of light on the metal surface and we also know that energy is directly proportional to...