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RUTHERFORD'S ATOMIC MODEL:-
Rutherford proposed that all the positive charge and mass of the atom was concentrated in a small central region which is called the nucleus.This model failed to explain the stability of an atom.
(i) A matter pulse is not electromagnetic in behavior. (ii) Practical observation of matter waves is possible only when the de-Broglie wavelength is of the order of the size of
what is meant by physics? and also explain the branches of physics.
Why is extended source use in Newtown ''s ring experiment?
EXAMPLES: (i) A book lying on the table remains at rest until it is listed or pushed by exerting a force. (ii)A rolling ball on the ground comes to rest after covering some
How High Will It Go? The motion of the sledder within the animation below is same to the motion of a roller coaster car on a roller coaster track. The similarity of the two mot
what is necol prism and give construction and working
Electromotive Force: (emf) A force which derives the electric current is known as electromotive force. OR The energy needed to drive the charge around the circuit is know
Graphical solutions of Resolution: This topic looks at deriving graphical solutions to problems involving the Addition of Vector Quantities. Firstly, the quantities m
How much time is required to raise the temperature of the water A family comes home from a long vacation with laundry to do and showers to take. The water heater has been turned
A bar has a 20N weight at one end. You have a weight of 15N to hang somewhere on the bar so that the bar is in equilibrium. Where would you hang the 15 N weight on each of these ba
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