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Compared with an atom of atomic weight 12 and atomic number 6, the atom of atomic weight 13 and atomic number 6:
(1) Contains more neutrons
(2) Contains more electrons
(3) Contains more protons
(4) Is a different element
Ans: Contains more neutrons
The light is incident on a rotating Nicol prism and the intensity of the emergent light beam becomes zero and maximum periodically. What we can derive about the state of polarizati
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Write down the expression for the equivalent focal length of two thin lenses separated by a distance and illustrate the terms.
a) A uniform mild steel ring has a diameter of 50mm and a cross-sectional area of 1cm 2 . Determine the mmf essential to produce a flux of 50µWb in the ring. (b) I
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