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What is meant by the rest mass energy of an electron?
According to the Einstein's Theory of Relativity, the mass of a body (say a particle) occurs on the energy and on the momentum (velocity) with which the particle moves. So, we have a problem: is there a mass value that each observer can relate to? Yes: is the rest mass, that is the mass you could calculate in a frame of reference co-moving with the particle (in which the particle is still), that is the center-of-mass frame and that agree with the minimum value measurable for each observers.
Chandrasekhar limit (S. Chandrasekhar; 1930) This is a limit that mandates that no white dwarf (a collapsed, degenerate star) may be more massive than approximates 1.4 masses
Diffraction is the spreading of light that takes place when it pass through a thin slit or small hole or passes by an obstacle Answer: Diffraction is the spreading of any k
The signal which has only two values. I.e. either a constant high value of voltage or zero value is known as digital voltage signal
When designing & constructing Inductance standards, what considerations must be taken into account? Ans: Construction of Inductors: Constructional features of an inductor
NEWTON ? "The force which forms an acceleration of 1 ms-2 in a mass of 1 kg". It is represented by N.
A sled slides down a frictionless track and loops the loop without falling off. What is the minimum value of h in terms of r ? The only other information given is that the an
Assume that two linked pistons are both cylindrical in shape. Show that the ratio of forces generated is directly proportional to the square of the radii of the two cross-sect
Define about the set-up of Helium-Neon Laser. The laser radiations along with higher coherence, higher directionality and higher monochromacity can be obtained from this. But,
how can sensitivity curve b measured?
Q. It is possible to have motion in the absence of a force. Yes it is True, in the absence of a force a body will continue moving in a straight line and at a constant velocity
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