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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.
The work done by a friction force is: a) Always positive b) Always negative c) Always zero d) Either positive or negative depending upon the situation. An
give the complete explaination with design formulae of single pv cell?
Q. Give the applications of Moseley's law. (i) The elements are organized in the periodic table according to the atomic numbers and not according to the atomic weights. (ii
How to calculate change in entropy.
Enrique Iglesias belts out a high-C (1024 Hz) from the deck of his yacht. What is the wavelength of this sound wave in the surrounding air? As the sound wave enters the ocean below
Moment of Thin Spherical Shell About Axis This problem can be set up in spherical coordinates so that conversions from Cartesian coordinates are not required. The mass element
Q. Illustrate the Newton s laws of motion? Answer:- 1. A body at rest will stay at rest and one in motion will remain in motion until and unless acted upon by an external
the two point charges +10 nano coulomb and -20 nano coulomb are seperated by a distance 0.1m. calculate the neutral poiint along the line joining two charges.
What kind of batteries are used in TL coachees. Briefly explain about each one of them? Ans. In TL coaches two kind of batteries are used. They are SMF and VRLA batteries.
Explain Newton Second Law - Linear Motion If objects only followed Newton's first law then everything would be traveling in straight lines at a constant velocity or at rest. B
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