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What is the difference between unit cell and primitive cell
In primitive cell, number of atoms per unit cell is one while if number of atoms per unit cell is greater than one it is no primitive. Instance: In cubic crystals, simple cubic crystal is a primitive cell while body centred and face cantered cubic cells is non-primitive cells.
figure of merit: amount of current through a conductor per unit deflection and why? the name figure of merit
An open barge has the dimensions 22x40x12m. If the bargeis made out of 4.0-cm-thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in f
What do we denote when we say that a capacitor has an amount of charge Q on it? Answer: If we obtain the expression the charge on the capacitor too accurately the value is
a) Here temperature difference of junction is used to produce thermo e.m.f. and vice-versa. b) This effect produced when junctions of a thermocouple are kept at dissimilar tempe
what is anti reflection coating ?
Le Chatelier's principle (H. Le Chatelier; 1888) If a system is in equilibrium, then any change imposed onto the system tends to shift the equilibrium to decrease the effect of
Q. W hat will be effect on Newton's rings if; (i) A little oil (µ = 1.65) is introduced between the lens (µ - 1.5) and the glass plate (µ = 1.75). (ii) A Pla
Draw a schematic diagram of a single optical fibre structure. Describe briefly how an optical fibre is fabricated. Explain in brief, the mechanism of propagation of light signal by
Q. What do the negative sign tell you about the image? A single lens is utilized to form an image of an actual physical object. You compute the image position i and find that
The number of electrons in one molecule of are: (1)22 (2)44 (3)66 (4)88 Ans: 22
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