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THOMSON'S ATOMIC MODEL:-
According to Thomson's atomic model positive charge is distributed uniformly over the entire body of the atom while the electrons are embedded in it. Similar to the seeds in a water melon.
Thomson's model failed to explain observed spectra emitted by an atom .
what is specific gravity
Stokes' Formula: When a spherical object falls by the fluid, layer in immediate touch with it, sticks to it and goes along with the object with the same speed. The layer next to i
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
what is friction force? why does opposes the motion?
In the nucleus of 20 Ca 40 there are: (1) 40 protons and 20 electrons (2) 20 protons and 40 electrons (3) 20 protons and 20 neutrons (4) 20 protons and 40 neutrons
A rock is thrown upward with a speed of 26 m/s. How long after it is thrown will the rock have a velocity of 48 m/s toward the ground?
Pauli exclusion principle (W. Pauli; 1925) No two similar fermions in a system, like electrons in an atom, can have an equal set of quantum numbers.
why flashlight suddenly become dim or bright when shaked?
what is meant by positive deviation of beer lambert''s low
1. During an experiment, the osmotic pressure was recorded with respect to different concentrations of an enzyme. The results of the experiment are shown in the table below. a.
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