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Photoelectric effect An effect described by A. Einstein that demonstrates that light appears to be built up of photons or particles. Light can do excite electrons (called phot
what is the difference between cohesive energy and binding eneergy
What are semiconductors? Give an example for n-type semiconductors. Semiconductors are materials having electrical conductivity among that of insulators and conductors. This i
What do you mean by dispersion of light? Write down the expression for the deviation produced by a thin prism?
p-type semiconductor: Consider a trivalent impurity such as Gallium (Ga, Z = 31) is doped in a pure semiconductor germanium (Ge, Z = 32). Each Ga atom forms three covalent bonds
Q. What are the limitations of electron microscope? An electron microscope is operated merely in high vacuum. This prohibits the utilize of the microscope to study living organ
1. Cell growth. if V is the volume of a spherical cell, then, in certain cell growth or for some fetal growth models, the rate of change of V is given by dV/dt =kV2/3, where k
Cadmium rods are provided in a nuclear reactor. Why? Cadmium rods are given in nuclear reactors due to when we begin nuclear reactor then more energy is required for start the
a) How much charge should be placed on it to raise its potential to 10,000 V. b) A parallel plate capacitor having plate area 100 cm 2 and separation 1.0 mm holds a charge of
Points A and B are separated by 3000 ft of new 6-in schedule-40 steel pipe. 800 gpm of 60 deg F of water flow from point A to point B. Point B is 60 ft above point A. What must be
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