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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
A girl starts and finishes the ride at rest. Her horizontal motion can be take as. •an initial uniform acceleration for 3.0s, followed by •a constant speed of 2.4m/s for a further
when dispersion is happening from a prism, the colors are separated out. do each of these colors move with different velocities to keep frequency constant? practically is it possib
An oil pump is drawing 25 kW of electric power while pumping oil with ρ = 860 kg/m 3 at a rate of 0.1 m 3 /s. The inlet and outlet diameters of the pipe are 8 cm and 12 cm, respec
Explain New Terms for Describing Motion As mentioned in the last chapter, the mass of a cannonball is a measure of the amount of matter (in kilograms) that would balance agains
CO has same electrons as or the ion that is isoelectronic with CO is: (1) N + 2 (b) CN - (3) O + 2 (4) O - 2
what is tortional pendulum?
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
to draw v-t graph with variable retardation
increase in potential with the increase in temperature difference of two ends in a solid is called
Faraday's law (M. Faraday): The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux by a surface l
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