Class 11 NEET Chemistry Some Basic Concepts Of Chemistry

Specific volume (vol. of 1g ) of cylindrical virus particle =6.02×10−2cc/g
Radius of virus, r=7Å=7×10−8cm
Volume of virus =πr2l
wt. of one virus particle =‌

‌ Volume ‌

‌ Specific volume ‌

=‌

154×10−23

6.02×10−2

g
∴ Molecular wt. of virus = wt. of NA particles
=15400g/mol=15.4kg/mol