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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
Light coupling: Another way to look at light guiding in a fibre is to measure the fibre's acceptance angle. This angle is the angle within which the light should enter the fib
A pure semiconductor under ordinary conditions behaves like (A) A conductor. (B) An insulator. (C) A magnetic material. (D) A ferro-electric material. A
The big hill on a roller-coaster ride is 91 m tall. If the mass of the roller-coaster car and its two riders is 314 kg and the maximum velocity reached by this roller-coaster r
Determine the ratio of the frequencies of harmonics in an air column of same length in a) a closed pipe and b) an open pipe
Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)
explain me acceleration
Your car gets 34.7 mi/gal on a trip. How many kilometers/liter did it get?
assignment on the above topic in minimum 15 pages
what will happen if we place a glass with the size of the earth at a distance of 10 light years apart
How is laser in heat treatment use as nuclear fusion? Nuclear fusion A few of the world's most powerful and complicated arrangements of multiple lasers and optical amplifier
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