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An electric dipole is held in a uniform electric field.
(1) Using suitable diagram, show that it does not undergo any translatory motion, and
(2) derive an expression for the torque acting on it and state its direction.
Q. What is excitation potential energy of an atom? The energy required to increase an atom from its normal state into an excited state is called excitation potential energy of
in some case we take y=-g but in some case we take y=g... why???
What is packing polymorphism When polymorphism exists as a result of change in crystal packing, it is called packing polymorphism. Polymorphism can also result from the existen
The microwave (rotational) spectrum of 12 C 16 O having a series of lines spaced by 115.3 GHz. Suppose that the rotational energy levels of this molecule can be approximated by
The plane of polarization of a plane polarized light is rotated through an angle of 200 while passing through 20 cm in a sugar solution having rotation about 45 0 cm 2 /gm. Determ
Fish soup is prepared in a hemispherical copper bowl of diameter 40 cm. The bowl is placed into the water of a lake to cool down and ?oats with 10 cm of its depth immersed.
Deriving the Relativity of Simultaneity Animation in which shows how the relative nature of the simultaneity of two events must follow from the existence of length contraction.
A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist
Mosley studied the characteristic X-ray spectrum of a number of a heavy elements and concluded that the spectra of dissimilar elements are very same and with enhancing atomic value
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