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Fermat's principle; principle of least time (P. de Fermat):
The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a system is always the path which takes the least time.
In an electric field a charge (Q) experiences a force F = QE. If charge is positive then force is directed in the direction of field whereas if charge is negative force acts on i
When were foundations of quantum mechanics established? Foundations of quantum mechanics : The quantum mechanics foundations were established throughout the first half of th
What are synthetic rubbers? Give the preparation and structure of any two synthetic rubbers.
(i) Time section of vibration of particle is described as the time taken by the particle to complete single vibration about its mean position. (ii) It is the time given by the r
Draw a free-body diagram for a goldfish that is motionless in the middle of a fish bowl. Recognize the forces acting on the fish. Show the direction of the net force on the f
state and explain malus law?
why sky is blue
Describe how the laser transitions are arisen. The given energy level diagram could describe how the laser transitions arise. Collisions in between the He atoms and Ne
Ohm''s law establishment using drift of charge carriers
A diode in a circuit similar to the one in Figure 29-26 has a voltage drop, V d , of 0.95 V when I = 18 mA. If a 390 Ω resistor, R, is connected in series, what power supply volta
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