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When hydrogen atom is excited, it returns to its normal unexcited (or ground state) state by emitting the energy it had absorbed previous. This energy is given out by the atom in the form of radiations of different wavelengths as the electron jumps down
from a higher to a lower orbit. Transition from dissimilar orbits cause dissimilar wavelengths, these constitute spectral series which are characteristic of the atom emitting them. When observed through a spectroscope, these radiations are imaged as sharp and straight vertical lines of a one color.
1. Discuss the internal noise sources that are present in a typical signal source and amplifier circuit, and describe their effects. 2. The company currently has a low noise a
Q. Illustrate is negative mass antimatter? Answer:- It is false there is really no such thing as negative mass. Yet antimatter has mass which is always a positive (that is
Your company's cost of capital is 12%. You are currently evaluating three projects that have the following cash flow streams: a. Find the payback period, discounted paybac
Q. Evaluate Diameters of Bright and Dark Newtons Rings? Let ‘R' is the radius of curvature of a Plano-convex lens resting at a glass plate PQ. If t be the thickness of air film
Q. What are the conditions to achieve the laser action? Conditions to achieve laser action (i) There should be an inverted population that is more atoms in the excited
Conservation of Energy Conservation of energy is not all about turning off the computer when you are not using it. Energy is not created or destroyed, it just changes forms. En
A radiation of 500nm is incident on a metal surface whose work function is 3ev.why do we not observe the phenomenon of photoelectric effect? Ans) Because the energy of radiation i
Compton effect (A.H. Compton; 1923) An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon
What do you mean by a shunt? Reduce expressions for the current flowing through the shunt resistance and galvanometer. Describe the principle on which a transformer works. Defin
The velocity with which the group of waves travels is called as group velocity or the velocity with which a ray packet goes is called as group velocity
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