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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
MANUFACTURING: R esistive element is prepared in carbon composition, but the filler used is ceramic powder. The sheet resistance is controlled by changing the quantity of carb
What occurs if electrical connection or electrical joint is loose? Ans: Because of loose connection at joints resistance at that point will increase thereby the I²R loses ar
why we use he-ni laser light in michelson interferometer
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
The cantilevered beam below is supported at O. F1 and F2 in kN are given in P21 and P22 respectively and act on the beam as shown. Determine the magnitude and direction of a sing
What are the safety terms to be inspected on wiring? Ans: Safety terms to be checked on wiring are securing of wiring through cleats with trough provision of correct size of
Q. A light of wavelength 6000 0 A falls normally on a thin air film, 6 dark fringes are seen between two points. Compute the thickness of the film. 2μt = nλ Thickness of t
An infinitely long wire carries a current of three amps. The magnetic field outside the wire: a) Points radially away from the wire b) Points radially inward c) Circ
A 12 Volt battery is associated across a parallel combination of two capacitors C1 and C2. The capacitance of C2 is double that of C2.
Starting from Maxwell's electromagnetic equations in vacuum, get the wave equations for the four fields vectors E, D, B and H.
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