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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?
Ans) There is a formula for this i.e
[ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6
Evaluate the relation between rate constant k 1 and k 2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
Which quantum number will determine the shape of the subshell: (1) Principal quantum number (2) Azimuthal quantum number (3) Magnetic quantum number (4)Spin quantum nu
when 100ml of M/10 h2so4 is mixed with 500ml of M/10 naoh then nature or resulting solution and normality of excess of reactant left is
The number of orbitals in d sub-shell is : (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
Designate on an energy level diagram thee conduction and valence bands, acceptor & donor states and position of Fermi level for (i) An intrinsic semiconductor. (ii) A n-type
how to solve them?
limitation of Chrystal field theory
Assignment on structure of atom
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