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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
can a charge by any means, today, travel from a source to a sink wirelessly? Is there any technology to support it?
Illustrates the principle of transmission electron microscope? Principle of Transmission Electron Microscope The electron microscopes are worked onto the basis of, while a b
Explain the term 'work function' of a metal. The threshold frequency of a metal is f 0 . When the light of frequency 2f 0 is incident on the metal plate, the maximum velocity of e
how is Rainbow is formed in a Environment ?
A child's toy train moves at a constant speed of 2.0 cm/s. a. Illustrate the position-time graph showing the position of the toy for 1.0 min. b. What is the slope of the lin
Harmful effects of Noise: 1. Noise causes nervous tension, aggression and commotion in normal human beings. 2. Continuous noise damage hearing power and complete deafness.
A resistor is a two-terminal electrical or electronic component that resists an electric current by producing a voltage drop between its terminals in the accordance with ohm’s law.
Q. Why the centre of Newton's rings pattern appears dark? The thickness of the air film becomes zero at the point of contact of lens L with glass plate P. Therefore there is no
when told that a diffraction grating has 80 lines per mm we need to work out what 1 line would equal. I have the solution but i cannot figure out how they got 1 line to equal 1x10
A single-phase transformer has 2000 turns on the primary and 800 turns on the secondary. Its no-load current is 5A at a power factor of 0.20 lagging. Assuming the volt drop
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