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Bragg's law (Sir W.L. Bragg; 1912)
While a beam of x-rays strikes at crystal surface wherein the layers of atoms or ions are separated regularly, the maximum intensity of the reflected ray takes place while the complement of the angle of incidence, theta, the wavelength of x-rays, lambda, and the distance among layers of atoms or ions, d, are associated by the equation
2 d sin theta = n lambda,
Where n is an integer.
a. Describe the radiation resistance of an antenna. b. With sketch, explain the feed mechanism of a parabolic reflector c. Explain the given term:- (i) Horn Antenna (ii
Sound waves are being used to determine the depth of a freshwater lake, as shown in the figure below. If the water is 25°C and it takes 1.2 s for the echo to return to the sens
A simple calorimeter Small soup tins can be found which fit loosely into a 1lb. jam jar. If the top of the tin is cut off cleanly with a rotary type opener it serves as an good
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Why the fringes are in circular form and how does it form?
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What is the position vector of point c in equilateral triangle?
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What is the effect of torque and equilibrium on taps,doors,handlebars and bicycles?
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