Rainbow formation is as a result of the combination of which of the following phenomena? (i) Reflect

Question

Rainbow formation is as a result of the combination of which of the following phenomena? (i) Reflection (ii) Dispersion (iii) Total internal reflection (iv) Refraction

Answer 1

Rainbow formation is as a result of the combination of which of the following phenomena? (i) Reflection (ii) Dispersion (iii) Total internal reflection (iv) Refraction

(ii) and (iv) only
(ii), (iii) and (iv) only ✓
(i), (ii) and (iv) only
(i), (iii) and (iv) only

Explanation

Kirchhoffs Current Law (KCL): current entering a junction equals current leaving. This follows conservation of charge – charge cannot accumulate at a junction.

Kirchhoffs Voltage Law (KVL): sum of EMFs in a loop equals sum of voltage drops. This follows conservation of energy – all energy supplied must be used.

These laws help analyze complex circuits that cannot be simplified to series/parallel combinations. Set up equations for each junction and loop, then solve simultaneously.