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A quantum particle confined to one dimensional box of width 'a' is in its first exited state. What is the probability of finding the particle over an interval of (a/2) marked symmetrically at the centre of the box.
A dartboard with a mass of 2.20 kg is suspended from the ceiling such that it is initially at rest. A 0.030-kg dart is thrown at the dartboard with a velocity of 1.3 m/s. A
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 a
A simple calorimeter Small soup tins can be found which fit loosely into a 1lb. jam jar. If the top of the tin is cut off cleanly with a rotary type opener it serves as an good
The control lever is subject to a clockwise moment of P26 N.m exerted by its shaft at A and is designed to operate with a force of P27 N. The resultant of the couple and the force
A scalar function is given by f(x, y, z) = 2xy 2 + xyz 3 . Calculate the gradient of the function at the point (1, 1, 1).
Q. Match the units to the physical amount that is measured in those units. Answer: The major purpose of this question is to familiarize you with the jargon "physical quant
A bar magnet having of two equal and opposite magnetic pole separated by a small distance. Poles are not precisely at the last. The smallest distance among two poles is known as ef
The device which changes chemical energy into electrical energy is called as electric cell. Battery is a host of constant emf but not constant current.
Define about the Venting? A thermally insulated chamber is pumped down to an extremely low pressure. At a few point, the chamber is vented thus that it is filled with air up to
Q. What are uses of ultra-violet radiations? Uses of ultra-violet radiations: (i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
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