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Q. A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12 cm from P. At what point does the beam converge if the lens is (a)a convex len
A train consists of a 4300-kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second has a mass of 16,300 kg. Presume that the boxcar wheels
Are fiber optics systems difficult to install? This becomes significant to establish a fair comparison with other components, in this case normal light fixtures. Fiber optics s
Magnifying Glass: A biconvex lens of short focal length and low power which forms a virtual and magnified image of an object placed with its focal length is known as magnifying
Find amplitude of electric field ina parallel beam of light of intensity 2W/m2 Ans: Given that intensity I=power/area=2W/M2 by using this formula :intensity I=(Emax^2/2c mue not
An object moving with a speed better than the speed of sound is called to be move with a supersonic speed.
What is black hole
Plastics are polymers, meaning they are made up of molecules from many different elements. By utilizing different combinations, new polymers are made that can be manipulated from m
Uncertainty principle (W. Heisenberg; 1927): A principle, central to quantum mechanics, that states two complementary parameters (such as position & momentum, energy & time, o
Calculation of number of atoms per unit cell The number of atoms per unit cell occurs on the crystal structure and the kind of basic elements (basis or pattern unit or motif) t
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