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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.
Define the procedure to determine flaw by transducer. Procedure to find flaw: Cross section of typical contact transducer Ultrasonic flaw detection is fundamentally
A reaction is first order in A and second order in B. (a) Write differential rate equation. (b) How is the rate affected if the concentration of B is tripled? (c) How is
two bodies of masses 200 g and 300 g are tied to a string which is passed over a pully.if pully has no weight and friction,then find the accerlation of the bodies and tension in th
what is radiant energy?.
Q. What is a neutral buoyancy? Answer:- Buoyancy is the net upward force knowledgeable by an object submersed in a fluid. Pascal's principle utters that fluid pressure on
A body of mass m1 , moving with velocity u1 collides head on with a body of mass m2 moving with a velocity u2 the two bodies stick together after the collision the loss of kinetic
What are the Semiconductor Devices? A semiconductor is a material whose conductivity is much less than a conductor (such as copper), but greater than that of an insulator (such
The velocity with which the group of waves travels is called as group velocity or the velocity with which a ray packet goes is called as group velocity
what is dielectric polarisation
What are sheathed fibers? The optics, which has an external cladding whether transparent or opaque, affords a mechanical protection to the optics.
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