What is the difference between the notations l and L ?

What is the difference between the notations L & l.

What is the difference between two notations : nylon - 6 and nylon - 66 ?

What is difference between two notations:nylon-6 and nylon-6,6?

What is the basic difference between the two notations Delta_(r)H and Delta_(f)H ?

K,L and M invest sum in the ratio of 15:20:27 respectively. If they earned total profit of Rs. 10230 at the end of year, then what is the difference between share of K and L?

If LM is a line parallel to the y-axis at a distance of 3 units What is the difference between the abscissae of the points L and M?

An alternating potential E=E_(0) sin omega t is applied to a series L-C circuit. What is the phase difference between the voltage across L and C?

In an alternating series LCR circuit ,what is the phase difference between the voltage drop across L and C?