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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 phenomenon of the formation of the Newton's rings can be explained on the basis of wave theory of light. When a light ray iP1 from an extended monochromatic light source S is a
Determine the force in the hydraulic cylinder AB to 3 significant places in kN if the weight of the bucket and the load is P48 kN acting at G. Neglect the weight of all other membe
Q. Illustrate that water drain counter clockwise in the northern hemisphere and clockwise in the southern hemisphere? Answer:- This isn't a myth. It drains counter clockwi
When a hard element is suspended from an axis and made to oscillate about that, then it is known as compound pendulum. C = Initial position of center of mass C' = Position of
what is electric field
Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside t
explain origin of dimagnetsm on the basis of its atomic structure
a) Heat produced or absorbed at a junction is proportional to the current by the junction. b) This effect is produced when current is passed by junction of suitable materials.
The units that may be derived from fundamental units are known as derived units.
Demonstration vernier Two pieces of tongued and grooved floor board about 1 m long can be used to make this apparatus. Saw 7 cm off the tongued board and glue it into the groov
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