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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 child starts to build a house of cards by laying an 8.5-cm-long playing card with a mass of 0.75 g across two other playing cards: support card A and support card B. If suppor
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1 Volt : Potential difference among two points will be 1 volt if 1 joule of work is needed to move a +ve charge of Coulumb from 1 point to another.
Explain Tension Force (Ftens) : Force that is transmitted by a string, rope, cable or write when it is pulled tight by forces acting from opposite ends. The tension force is fix
What is the difference between an artificial satellite and a natural satellite? Ans) 1:artificial satellites are man made while natural satellite are formed by nature. 2:artificia
In laboratory frame of reference, particle A moves along X direction with velocity 0.5 c and particle B moves along Y direction with velocity 0.4 c. Evaluate velocity of particle B
Study of a rolling ball A large ball bearing or 'bagatelle ball' rolling down a smooth track can be timed by a pendulum. To make the track, fasten together two 120 cm lengths o
A section through a magnetic circuit of uniform cross-sectional area 2cm 2 is shown in Figure. The cast steel core has a mean length of 25cm. The air gap is 1mm wide and the
Q. What is meant by doping? The process of addition of extremely small amount of impurity into an intrinsic semiconductor is called doping.
Write the mathematical expression for the refractive index in terms of A and D for a prism, explain the symbols. Mention any two factors on which lateral shift depends.
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