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Q. What do you mean by diffraction? Distinguish between Fresnel's and Fraunhofer's classes of diffraction.
Ans. The phenomena of diffraction in case of light was first observed by Grimaldil. According to this phenomenon when a obstacle is placed is path of lighr, the light waves bends around the obstacle and enter in the region of the geometrical shadow of the obstacle, is called diffraction of light. In other words, the deviation of light from its rectilinear propagation is called diffraction.
Diffraction of waves depends on the size of obstacle wavelength of waves.
When slit width is comparable to the wavelength of light, there is almost total diffraction condition.
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In spot welding, the parts to be joined are normally over lapped. The work piece are clamped between two water cooled copper electrodes. On the passage of a high transient current,
We now have some idea about what models are available to simulate the flow over an aerofoil, and also how to use the Hanley package to apply these methods. Keep referring to you
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What Is Inflation? In economic terms, blowing up is the development of the costs of products or solutions in the given economic climate over a time period. As the costs increase
logic gate-OR gate Figure shows the symbol that represents a 2 input OR gate together with its truth table. This gate will adopt a 1 state at its output terminal when either
how to making terrestrial tele scope an how its work and formulation of terrestrial telescope
A riser or a feeder head is a passage of sand made in the cope to permit the molten metal to rise above the highest point in the casting after the mould cavity is filled up. Risers
#Design 2:1 MUX with strobe input using NAND gates
Oil supply failure - Propeller: To prevent an overspeed caused by an oil supply failure, one of two methods may be employed: • Hydraulic lock valve The pitch lock mecha
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