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Q. Movement of principal ray?
In every case a principal ray moves from the head of the object to the plane of the lens. It passes through the plane of the lens as well as continues travelling into the space on the other side of the plane of the lens the side opposite that on which the object resides. In depicting principal rays one should include at least one arrowhead pointing toward the plane of the lens on the ray segment that extends from the head of the object to the plane of the lens as well as at least one arrowhead pointing away from the plane of the lens on the ray segment on the other side of the lens the side opposite that on which the object resides.
Relation among velocity wavelength and Frequency: Consider a wave of wavelength , frequency f and travelling with velocity v. The distance travel by the sound wave during th
What are the Semiconductor Devices? A semiconductor is a material whose conductivity is much less than a conductor (such as copper), but greater than that of an insulator (such
A drunkard is walking along a straight road.he takes 5 steps forward and 3 steps backward and so on.each step is one meter long and takes one second.there is a pit on the road 11 m
what is magnetic flux density of cylinder??
Presume you are asked to find the characteristics of the image of an actual physical object formed by a single lens and you obtain a negative value for the magnification. What does
A point charge q is imbedded at the center of a sphere of linear dielectric material (with susceptibility and radiusR). Find the electric field, the polarization, and the bound cha
Is there a way that you can gain potential energy and release kentic energy in Volleyball?
Q. Illustrate why does the pilot tilt the outer wing of the airplane inward while taking a turn? Answer:- Airplanes have two control surfaces implicated when turning the a
farad; F (after M. Faraday, 1791-1867) The derived SI unit of capacitance, described as the capacitance into a capacitor that, if charged to 1 C, contain a potential differenc
what difference between these two laws
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