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let a=j-k and c=i-j-k. then the vector b satisfying ab+c=0 and a.b=3 is
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If  u , v ,w are non-coplanar vectors and p,q are real numbers, then the equality 
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Give the names of quantum numbers.
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State Heisenberg uncertainty principle.
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Name the element that shows simplest emission spectrum.
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4. Match the following :
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Make the pairs: neutrons six electrons
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Principal Quantum number describes a. shape of orbital
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The value of Plank’s constant is -
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