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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.
Shift registers A register is a number of flip-flops arranged in a circuit used for storing data. A shift register is one that is designed to move the data along the register.
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A system is a walk-in medical clinic; a simulation is used to determine staffing levels. Under what circumstances would it be appropriate to use a terminating simulation or a stead
VDD=20V,RG=1MOHM,RD=3.3KOHM,RS=1KOHM,IDSS=8MA,VP=-6VFINDIDQ,VGSQ,VDS,VG,VD
differences between blast , reverbatory and electric furnaces
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Water is flowing at 0.5 ms-1 across a 7.5 cm diameter sausage at 80°C. If the bulk water temperature is 15°C, estimate the heat-transfer coefficient. a) What type of heat tranfe
Explain the process of manufacturing ordinary Portland cement by vertical shaft rotary kiln method and write chemistry of hardening and setting of it with chemical equations. D
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