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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 car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop
What is Eclipses? Sun is a luminous body while earth and moon are non-luminous bodies. Only those parts of moon on the light of sun falls is visible. Also sun is larger than, b
Q Calculate the longest wavelength that can be analysed by a rock salt crystal of spacing d = 2.82 Ao in the first order. Data: d = 2.82 Å = 2.82 × 10-10 m; n = 1 ; λmax = ?
why we called it
HYSTERESIS LOOP: A ferromagnetic material retains some magnetism after the magnetising force is removed. The BH curve (O to Q) will therefore only be followed once, on initial
is it possible for the couple forces to be more than two?
The supersonic airliner Concorde is 62.1 m long when sitting on the ground on a typical(15degreesC) day. It is primarily made of aluminum. In flight at twice the speed of sound, fr
find distance from the centr the principal maxima
factors affecting emf of cell
what is newtons law
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