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Like the centre of mass, the moment of inertia is a function of a body that is concurrent to its mass distribution. Moment of inertia gives a measurement of the resistance of a body to a change in its rotational motion. If an object is at rest, the larger the moment of inertia of an object, the more complex it is to put that body into rotational motion. The larger the moment of inertia of an object, the more complex it is to stop its rotational motion.
Explain Thermal Physics and Quanmtum mechanics Thermal Physics , in which one studies the nature of heat and the changes that the addition of heat brings about in matter.
A 40 kilogram girl climbs a vertical distance of 5 meters in twenty seconds at a constant velocity. How much work has the girl done? Ans: 2000 joules or 1960 joules work is
Length contraction
These materials are used for permanent magnet manufacturing because of their low cost and their low weight. It consists of low iron oxide in combination with either barium carbonat
What is intramodal dispersion in optical fibres? Intramodal dispersion (Δτ mat ) Intramodal dispersion is nothing although material dispersion. The velocity dissimilarity of
In which direction does air exert maximum pressure?
Q. A light of wavelength 6000 0 A falls normally on a thin air film, 6 dark fringes are seen between two points. Compute the thickness of the film. 2μt = nλ Thickness of t
It having of an evacuated glass or quartz bulb having anode A and cathode C. The cathode is semi-cylindrical solid on which a thin layer of photo-sensitive material is coated.
Q. What is ionisation potential energy? For hydrogen atom the energy necessary to remove an electron from first orbit to its outermost orbit (n=∞) is 13.6-0 = 13.6eV. This ene
Motion of an object in a straight line is known one dimensional motion. The location of a particle in one dimensional motion can be defined by only one variable (say x). For a pa
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