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Bohr given a model for hydrogen molecule which is also applicable for some lighter atoms in which a one electron revolves around a stationary nucleus of positive charge Ze (known as hydrogen like atom)
Bohr's model is based on the following postulates.
(i) The electron can revolve only in particular discrete non-radiating orbits, named stationary orbits, for which total angular momentum of the revolving electrons is an integral multiple of
How many types of hologen and gas discharge are there? This will depend upon the use of the system. Gas discharge lamps, particularly those with a very small plasma area are pr
Electrostatic shielding/screening is the phenomenon of protecting a particular region of space from external electric field. Sensitive instruments and appliances are affected serio
Examples of unlike parallel forces
Q. What is the charge of each of the particles? The e is a unit of charge and it isn't an SI unit of charge but it is a valid unit of charge. In expressions of this unit of cha
What is radiation
A jogger runs at a constant rate of 10.0 m every 2.0 s. The jogger starts at the origin, and runs in the positive direction for 3600.0 s.The figure below is a position-time graph s
what is meant by physics? and also explain the branches of physics.
A 10 volt battery connected to a capacitor delivers a charge of 0.5 coulombs. The capacitance of the capacitor is: a) 2 x 10 -2 farads b) 5 x 10 -2 farads c) 2 fa
A monkey of mass m climbs a rope slung over a light frictionless pulley.The opposite end of the rope is tied to a block of Mass M lying on a smooth horizontal plane.Find the accele
2. Surface Crystallography and Epitaxy Fe thin films are grown on a single-crystal Al (100) substrate surface. The films grow with no dislocations (if they are thin enough) which
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