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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 force of a capillarity in plant is given by surface tension =density*r*g*h/2.is the equation correct or not
a) Here temperature difference of junction is used to produce thermo e.m.f. and vice-versa. b) This effect produced when junctions of a thermocouple are kept at dissimilar tempe
A sugar solution was formed by adding 80 gm of cane sugar into one liter of water. By observation it is found that it gave an optical rotation of 9.9 0 , when filled
Explain about the number of modes in the optical fibres. Mode in the optical fibres: A mode is a path occupied by a ray of light through an optical fibre. This is a mathemat
Explain about the term step index fibre. Step index fibre: Into a step index fibre, the refractive index keeps constant throughout the core and decreases at the core-claddin
Two circular coils, one of radius r and the other of radius R are placed coaxially with their centres coinciding. For R >> r, get an expression for the mutual inductance of the arr
Radio active series There are three radio active series depending on their progenitor. They are i) Uranium series called (2n+2) series, ii) Actino-Uranium series, call
A rectangular surface (0.14 m x 0.39 m) is oriented in a uniform electric field of 440 N/C. What is the maximum possible electric flux through the surface?
What are parallel forces?
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
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