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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 equation of reflected wave for soft boundary: y(x.t)=A cos[(wt-kx)] The equation of reflected wave for rigid boundary: y(x.t)=A cos[(wt+kx)] where A=amplitude of the wave
The dimentional formula of frequency T -1
An infinite line of positive charge lies along the y axis, with charge density ? = 1.90 µC/m. A dipole is placed with its midpoint along the x axis at x = 22.00 cm. The dipole cons
Nuclear medicine imagining devices : Imagining ,or producing pictures of the distribution of the radioactivity is the most important aspect of nuclear medicine. Rectilinear s
(a) Equation (3) may be viewed as a formalism of synaptic plasticity - the synapse is able to change in strength in response to either use or disuse of it. We can observe the s
Snell's Law: The ratio of sine of angle of incidence to the sine of angle of refraction is constant for all rays passing from one medium to another medium. That is Sini/Sinr
Agriculture: 1. Radio isotopes are used to verify the optimum amount of fertilizer for the plants. 2. It is used to kill bacteria and conserved food stuff. 3. It is used
In physics, a radian per second is a unit of: a) Angular displacement b) Angular velocity c) Angular acceleration d) Angular momentum. Ans: A radian per
Illustrate Kirchhoff's law in electricity and apply them to Wheatstone bridge to get its balancing condition. Illustrate the basic principle of meter bridge. Define an experimen
Short Sightened OR Myopia: When a person can't able to see objects clearly but can see near objects clearly. This defect of vision is known as short sightedness.
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