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Inertial Frame of Reference: If in a given system a free object does not experience any acceleration or force, the system is called the inertial frame. Any reference frame that moves with the constant velocity relative to an inertial frame of reference is itself an inertial frame. Newton's laws are found to be valid in these frames of references. Examples, a passenger in a car, moving with uniform velocity experiences no force on him.
Q. Find the minimum wavelength of X-rays produced by an X-ray tube operating at 1000 kV. λmin = 12400 A 0 / V Therefore λmin = 12400 X 10 -10 / 10 6 = 0.0124 A 0
Q. It is possible to have motion in the absence of a force. Yes it is True, in the absence of a force a body will continue moving in a straight line and at a constant velocity
Q. Transformation of kinetic energy to potential energy? A tiny ball at the end of string is swung in a circular vertical loop. The speed of rotation is reducing to the point t
In the device shown in Figure, when the current in the primary coil of 1000 turns increases linearly from 1A to 6A in 200ms, an e.m.f. of 15V is induced into the secondary coil of
An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be : (1) 26 (2) 30 (3) 36 (
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A spacecraft design similar to GEOSAT proposes to use passive gravity-gradient stabilization for pitch attitude control (motion about the y-axis). The satellite consists of a tip
A simple harmonic oscillator of amplitude A has a total energy E. Determine (a) the kinetic energy and (b) the potential energy when the position is one-third the amplitude. (c) Fo
the maximum height attained by a projectile and its horizontal range are equal to each other if the projectile projected at an angle [theta] given by ?
two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
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