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The internal energy change when a system goes from state A to B is 40 kJ/mole. If the system goes from A to B by a reversible path and returns to state A by an irreversible path what would be the net change in internal energy?Ans)For a cyclic process the net change in internal energy is ZERO(0).
Give one advantage of a scanning electron microscope over a transmission electron microscope? The SEM has become more popular than the TEM as it can make images of high resolut
A ball falling vertically from rest for 3 seconds travels very nearly: a) 14.7 meters b) 29.4 meters c) 44.1 meters d) 88.2 meters Ans: A ball falling ve
Poisson equation (S.D. Poisson) It is the differential form of Gauss' law, such as, div E = rho,
Photon Interactions a. Consider a Si detector of 1 mm thickness. 10 6 photons each with energy of 100 keV are incident on the detector. Find the number of coherent, Compton, an
what is neutrino
a rectangular box with edges located at (0,0,0); (a,0,0); (0,b,0) and (0,0,c) is half-filled from z=0 up to z=c/2 with a dielectric with constsnt e. the top half is empty. the cove
Electromagnetic waves are transverse waves; that means magnetic vector and electric vector, propagation vector are perpendicular to each other. Prove the statement mathematically.
9 kg of mercury is powred into a a glass u tube of uniforminternal diameter of 1.2 cm it oscilates freqently about its equilibrium pojistion claculate the time period
DERIVATION OF ANGLE OF DEVITAION
Q. State Moseley's law. The frequency of the spectral line in the qualities X-ray spectrum is directly proportional to the square of the atomic number (Z) of the element consid
For a cyclic process the net change in the internal energy is zero because the change in internal energy does not depend on the path.
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