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LENARD ATOMIC MODEL:
Lenard suggested that the atom must have a lot of empty in it.
Lenard's model of an atom could not explain about the stability and mass of an atom .
Why is the mass of a nucleus always less than the sum of the masses of its constituents, neutrons and protons? If the total number of neutrons and protons in a nuclear reaction
What is a neutron? A neutron is a subatomic particle. Neutron is one of the building blocks of the atom. It has a mass of about 1.675 x 10-27 kg. Its spin is + 1/2 and that
who is first law of motion?
An element exists in two solid phases (labelled P1 and P2). The standard molar entropies of P1 and P2 are 21.9 J mol -1 K -1 and 23.3 J mol -1 K -1 respectively. The
Derive the Einstein Relation From the laws of thermodynamics, electrons carry a thermal energy equal to 1/2 kT per degree of freedom. Use this value to derive the Einstein's r
A quantum particle confined to one dimensional box of width 'a' is in its first exited state. What is the probability of finding the particle over an interval of (a/2) marked symme
As we know photon's spin is one, how lots CPH (that have spin) is able keep the spin of photon? Answer; the photon spin like electron spin comes up of its properties and indepe
Causality principle The principle which cause has to always preceed effect. More formally, if an event A ("the cause") somehow effect an event B ("the effect") that occurs lat
Explain Simple Harmonic Motion Many repeating motion problems can be solved by taking the displacement as where d is distance in meters, A is amplitude in meters,
Graphing Motion - Position, Velocity and Acceleration With graphing and/or the advent of calculus, not only can we calculate the average values like those calculated above, but
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