Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at. wt. = 78.4) then minimum molecular weight of peroxide anhydrous enzyme is

Specific volume of cylinfrical virus particle is 6.02 $$ \times $$ 10^$$-$$2 cc/g whose radius and length are 7 $$\mathop A\limits^ \circ $$ and 10 $$\mathop A\limits^ \circ $$ respectively. If _NA = 6.02 $$ \times $$ 10²³, find molecular weight of virus.

Main axis of a diatomic molecule is z, molecular orbital p_x and p_y overlap to from which of the following orbitals.

The following quantum numbers are possible for how many orbitals :

n = 3, $$l$$ = 2, m = +2 ?