Write short note : power​

In physics, power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. In older works, power is sometimes called activity. Power is a scalar quantity.

SI unit: watt (W)

Derivations from other quantities: P = E/t; P = F·v; P = V·I; P = τ·ω

In SI base units: kg⋅m2⋅s−3

As a student, what are your insights about this lesson? Write an essay on your

toughts about the types of drugs/subtance of abuse, discussing its description and

effects

snell's law

refractve index = sin incidence / sin refraction