Recent content by praveenpp

k thank u very much

i am BE graduate. i studied math but not much in physics.

hi, please anybody tell reference book for gravitational force, quantum gravity, black holes.

k thank u

hi, please anybody tell any reference book for astrophysics. i am interested to study celestial body and black hole. where it is available ?

thank u for reply. what is mean by epselon zero(electric constant) please explain about that

hi everyone, what is mean by electric constant? electric constant=1/(magnetic constant * speed of light) please explain this equation.

thnks for reply

hi every one, i have one doubt i studied abt trignomentry. there finding the triangle angle or side of the triangle using sine function. if we are taking right angle triangle sine A = opp/hypo, cos A = adj/hypo and tan A=opp/adj. here we are finding angle for A only why we are having three...

i think you got the secondary circuit voltage and windings also. you its correct secondary circuit resistance is depend on load only.

we can find the wavelength of the emitted x-ray photon. using first find the kinetic energy of the electron using K.E = 1/2 m*v^2. then apply the formula lambda = (h*v)/K.E it will give the answer for you.

what is mean by gravity? in Earth all we know gravity means some attraction to between objects. Earth has magnetic field?. then wats diff of magnetic force.