Other Physics Answers

To determine frequency of AC supply by CRO full experiment with procedure and detail.

A rectangular blockof volume 10^-3 at 273k is heated to 573k.If it's coefficient of linear expansion is 1.2*10^-5k^-1.the percentage change of it's volume is

Find the amplitude, wavelength, period, frequency, speed and displacement after 2.0

seconds of wave equation y(x,t) = 2 sin(3x − 4t). ( where x and y is in meter)

Differentiate the sine wave and cosine wave.

Do an object moving in a circle and swinging a pendulum depicted sinusoidal wave

and therefore the motion can be analyzed by wave function?Explain.

At what conditions does transverse wave is applied and useful? Explain.

The electron and hole mobilities in a Si sample are 0.135 and 0.48m²/V-s respectively. Determine the conductivities of intrinsic Si at 300 K if the intrinsic carrier concentration is 1.5 x 10⁶ atom/m³. The sample is then doped with 10²³ phosphorus atom/m³. Determine the equilibrium hole concentration, conductivity, and position of the Fermi level relative to the intrinsic level.

Compute the net potential energy of a simple Na⁺Cl^- pair. The equilibrium distance between the ions is 0.28nm. The potential energy due to repulsion between electron sis given by U_r = β/r⁸                                             

The conductivity of silver is 6.5 x 10⁷per Ohm per m and number of conduction electrons per m³ is 6 x 10²⁸. Find the mobility of conduction electrons and the drift velocity in an electric field of 1 V/m. Given m = 9.1 x 10^–31 kg and e = 1.602 x 10^–19 C.