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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.
original temp. of plate is 25 degree c.when put in burnace its upper part is 250 c and lower is 100 and mass is 56kg.find out heat transfer
The load data given in Table 1 belongs to a power company. Develop the daily load curve for the primary feeder. Also, determine: a. maximum coincident demand of the system b. deman
Process of fire risk assessment: In the UK, the process for the FRA came out of the process for a general risk assessment. In a general risk assessment hazards are identif
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bit reversed process 10 point dft
Causes of unbalance Unbalance may be caused by a variety of factors occurring singly or in combination with others. These factors include:- a) Eccentricity Eccentricity
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Calculatethe tax disadvantage to organizing a U.S. business today, after passage of the Jobs and growth Tax relief reconciliation act of 2003, as a corporation versus a partnership
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