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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
Which of the following are isoelectronic with one another: (1)Na + ans Ne (2)K + ans O (3)Ne ans O (4)Na + ans K + Ans: Na + ans Ne
WHAT ARE 11 PARTS OF MULTI TESTER/ ANALOGUE TESTER
The Time Base Control 1 The timebase control panel gives the TIMEBASE (4), ZOOM (7) and FOCUS (5) parameters. TIMEBASE and ZOOM merged set the time scale in seconds per divisio
To work out the gravitational potential energy of an object the equation is: GPE = m x g x h Where: m = the mass of the object (kg) g = gravitational field strength (on earth tha
explain briefly about piezoelectric effect to produce ultrasonics
Define the Process - Liquid-Solid-Liquid? A small quantity of water of mass m = 50g in a container at temperature T = 273 K is placed inside a vacuum chamber which is expatria
UNIFORM VELOCITY: If a body covers equal displacements in equivalent intervals of time, though the smallest intervals may be, then the velocity of the body is said to be unifor
Q. A neutral Ping Pong ball dangles from the ceiling by a thread. A person chafes a rubber rod with animal fur and then touches the Ping Pong ball with the rubber rod. Afterwar
What are the basic components of Lead Acid cell? Ans. Basic components of Lead Acid cells are: a) Positive Plates, which are tubular n shape, prepared by PBO 2 b) Negativ
E lectrons have very much smaller mass than that of ions, so they respond more rapidly to a changing electric field. For electric field that oscillates at extremely high frequencie
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