Question

25. Study the diagram given alongside Draw emergent ray and mark angle of deviation
(a) Name the phenomenon occurring in this case
b) Write the colours of spectrum from top to bottom as
observe.​

Answer 1

Answer:

a. dispersion of white light

b. vibgyor colour... violet in bottom and red in top

Answer 2

Explanation:

Rainbow is an arch of seven colours visible in the sky which is produced by the dispersion of sun's light by raindrops in the atmosphere. A rainbow is formed in the sky when the sun is shining and it is raining at the same time.

(c) Raindrops

(d) Dispersion of light

(e) Red, Orange, Yellow, Green, Blue, Indigo and Violet.