Important Formulas in Work Energy and Power for JEE 1. Work Done by Constant Force W = FS cos Ө It is a scalar quantity 2. Work done by Multiple Forces W = W1 +W2+W3+…. Work done on the...
(i) What is the relation between critical angle and refractive index of a material ? (ii) Does critical angle depend on the colour of light ? Explain. ANSWER (i) Refractive index = 1/sin C where C...
Ohm's law: "The potential difference (voltage) across an ideal conductor is directly proportional to the current through it." The constant of proportionality is called resistance'R'. Ohm's law is given...