Rays emitting from the books are directly proportional to sleep (S) And inversely proportional to parhai(p)
R <>< S/p
R = mS/p
where m is the constant called
" m0bile c0nstant "
and it's unit is sms.where m depend upon package and its dimension is miscal.
" m0bile c0nstant "
and it's unit is sms.where m depend upon package and its dimension is miscal.
This is called "student first law of failure"
