Physics Past Questions and Answers

The core of an efficient transformer should consist of laminated pieces of metal in order to

Gamma rays are produced when

What is the speed of a particle of mass 10^-27kg whose wavelength is 10^-8m.
[h = 6.63 x 10^-34Js]

in a series R-L-C circuit at resonance, the voltages across the resistor and the inductor are 30V and 40V respectively, what is the voltage across the capacitor?

In the Rutherford scattering experiment, a beam of alpha particles was fired at a thin gold film with some of the particles being considerably deflected. This shows that