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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.
How Does a Cat Land on its Feet? The saying is in which cats always land on their feet. This animation describes how they do this.
Fig- detremines a square loop Made from a uniform wire. Determine the magnetic field at the centre of the square if a battery is connected among the points A and C.
Kelvin : Kelvin is the fundamental unit of temperature. It has quantity of zero where the molecular activity of gases ceases. Mole : Mole is the fundamental unit of quantity of
A certain spring is known to obey Hooke's Law. If a force of 10 newtons stretches the spring 2 meters, how far will a 30 newton force stretch the spring? Ans: A certain spr
The weightless simply supported beam below has a VDL of P61kN/m, a point load of P62 kN and a UDL of P63 kN/m as shown. Determine the vertical reaction force at A the maximum bend
The refractive index of glass is 1.54. Determine the polarizing angle when light goes from glass to air medium?
The semiconductor material is refined through a process is known as zone refining. It is used for the production of high purity crystals; silicon for example has a melting temperat
Eg of like and unlike parallel forces
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
Power: The rate of doing work is called power, and it is defined as the work done in unit time. As a formula, this would be: power = work done/time Taken Power is exp
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