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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
The ideal gas approximation: The given assumptions are suppose while defining an ideal gas: (i) The number of molecules in the gas is very huge. (ii) The volume V having the
A pendulum is timed, first for 20 swings and then for 50 swings Time for 20 swings= 17.4s Time for 50 swings= 43.2s Calculate the average time per swing in each case.
The recombination procedure is represented with returning the electron from the CB where it is free into a hole in the VB where it is in a bond. The excess energy of the electron
A cheetah can reach a top speed of 27.8 m/s in 5.2 s. What is the cheetah's average acceleration?
Q. Illustrate that does the solar radiation contain a complete spectrum of all forms of electromagnetic radiation? Answer:- It is true that it does. It holds all the forms
This is due to the surface tension of water. Because of the surface tension , the drop tends to have minimum possible surface area, and the shape which is possible with minimum su
Describe the working of ultrasonic pulse echo system. The working of ultrasonic pulse echo system: The ultrasonic pulse echo system is utilized to detect flaw, estimate the
When are intermolecular forces the strongest? Intermolecular forces (dipole-dipole, dispersion and hydrogen bonds). These forces are weaker than chemical (covalent) bonds. Thus
Determine the Einstein relations by upward and downward transition. While the system is in equilibrium, the upward and downward transition rates should be equal. N 1 ρ(ν) B
How do we measure the height of a house
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