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State the condition under which the phenomenon of diffraction of light takes place. Derive an expression for the width of the central maximum because of diffraction of light at a single slit. A slit of width 'a' is illuminated by a monochromatic light of wavelength 700 nm at normal incidence.
Calculate the value of 'a' for position of
1. First minimum at an angle of diffraction of 30°.
2. First maximum at an angle of diffraction of 30°. 5
what multiplication fact can be found by using the arrays or 2times9 and 5times9?
In 1993, Ileana Salvador of Italy walked 3.0 km in under 12.0 min. Suppose that during 115 m of her walk Slavador is observed to steadily increase her speed from 4.20 m/s to 5.00 m
When a dielectric field is completely full in among charges rearrangement of the charges inside the dielectric medium takes place and the force among the same tow charge reduces by
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The greatest induced EMF will happen in a straight wire moving at constant speed by a uniform magnetic field. when the angle among the direction of the wire's motion and the di
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What is Impure Spectrum
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why gravitational energy for a system of particles is found by first finding the gravitational energy between individual particles and then adding it up? Ans) It is a scalar qua
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