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If a particle is projected vertically upward in a constant gravitational field with an initial speed v0. If there is a retarding force proportional to the square of the instantaneous speed, the speed of the particle when it returns to the intial position is v0vt/√(v02+vt2) where vt is the terminal speed.
Plane and The Package Suppose a plane moving along with a constant speed at an elevated height above the Earth's surface. Within the course of its flight, the plane drops a pac
Define drift velocity and derive an expression for it?
In a Newton's rings arrangement the diameter of a bright ring is 0.5cm. Determine the diameter of ring if the lens placed on the plane glass plate is replaced by another one having
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
Explain physically how a p-n junction functions as a rectifier. Ans: When a P-N junction diode is forward-biased and applied voltage is increased from zero, hardly any current
What is an optical port? In the fiber optics industry, optical port is the component that physically produces the connection or interface in between the harness and the illumin
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
Explain Independence of Vectors Quantities Perpendicular vector quantities are independent of one another. This means that the actions of one vector will not affect the action
Give at least two differences between optical diffraction and optical interference phenomena.
Since polymeric materials can be formed in thin, highly uniform and non porous films with high dielectric strength, these materials are preferred dielectric materials for capacitor
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