A force of 20 dyne applied to the end of spring increase its length of 1mm, then force constant will be what ?

A force of 20 dyne applied to the end of spring increase its length of

1.	A force of 20 dyne applied to the end of spring increase its length of 1mm, then force constant will be what ?
Answer» SOLUTION :`k= (F)/(TRIANGLE L) = (20)/(0.1) = 200 " dyne"/"cm`.