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Reducing friction with ball bearings
Find two tin cans that have a deep groove approximately the top, such as paint cans. Lay marbles in single groove and invert the other can over the marbles to form a ball bearing. Place a book on top and note how simply the demonstration bearing turns. Oil the marbles and it will turn still more easily.
Solid state simeconductor It is main advantage is that it has much better resolution than NaI(Tl) It is main disadvantages are that it is not available in large sizes and it i
describe the phenomenon of nicol prism activity
Lenz''s Law states that the Nature of induced emf in the coil is such that it opposes the causes of it. It can be explained by a simple understanding of Faraday EM induction ex
Interconnection of cells: Cells may be connected in series, parallel or any combination of the two in order to form a battery. When cells are connected to form a battery they s
A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 mete
It is the force that the field would exert on any unit magnetic pole placed in the field. It is also known as magnetic force.
Define the function f(x)=2x/1-x^2. Find the number of distinct real solutions of the equation f^(5)(x)=x. Details and assumptions f^(n)(x) denotes the function f applied n times. I
I need to know the Physics of Laser operations on eyes. Please send examples as well.
Radio waves and microwaves: What are microwaves and radio waves? Ans: Microwaves: 1. The wavelength ranges from 10μm to10m 2. Commonly produced by Electromagnetic osc
Forward Bias: When p-type material of a semiconductor diode is linked at positive potential and the n-type material is linked at negative potential of a voltage source, the dio
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