Recent content by moatasim23

Homework Statement What is the wavelength of the light whose first diffraction max (not counting the central max) falls at 15°,thus coinciding with the first min for red light?Width of slit=2510 nm." It is an example problem from Halliday Resnik Krane..In which the they use the principle...

If we use r1,r2,r3 then how would the vector operator operator operate on it?Like it didnt in A when we used A1,A2,A3.

No its not..here at least

SOme one help me with the OPD. How is here the OPD=n2(AB + BC) -n1(AD)? I am not confused with the introduction of 'n'..Rather the path length is confusing me..Why is there a negative sign?

Why do we use the coordinates of r in terms of x,y,z?Why don't we express coordinates of A in x,y,z?

How we calculate the duration of depositing a specific amount of charge via a battery on a pure Capacitor when resistance is not present..and we can't use the formulas of RC combinatio?

Is we take two spherical conductors concentric with charge at centre.One of radius r then other of 2r..Will the electric flux through them will be equal? But when we use electric flux= E*A Then won't the electric flux vary as area is different of each sphere?

In transmission lines the the voltage is stepped up to a specified level thereby reducing current to ensure its transmission with minimal power loss. But we know that P=V*I so by increasing the voltage won't Powerloss gets increased?

How can it be a true eq?Electric flux is definitely not zero bw the plates..

In calculating the electric field bw two parallel plate i.e a capacitor I encountered a problem :where to take the Guassian surface..When I consider the Guassian surface.a cube bw the two plates Electric intensity becomes 0..But when I take the Guassian surface with a portion of capictor inside...

I can't do Major in Physics as it will put me economically in an Uncertain Condition.Also the society here(I live in Pakistan) deappreciates such carreers as a Bachelors or Masters in Physics..I must do Engg(To be on safer side and thrive here)..So B.S Mechanical Engg is must..Reccomend what...

I vow to do something in Particle Physics but some real nast circumstances hinders my desires.So plan to take admission in BS Mechanical Engg and after wards M.S Nuclear Engg..How close might it be to particle Physics where I might end up?If not close enough reccomend any other field.

How can an incident photon cause an atom to de excite??

Hey..!Its been a long time since I last posted..Any how I returned.. My question is about mEta stable states in atoms in Lasing Action.Wt actually these states are?And are they justifiable by Bohrs atomic model or Schrodinger Probabilistic orbits?If not then from where these additional states came?

REad about Photon!