Question

What is angle of degree.....it is useful to see the rainbow? a)40°-42° b)42°-43° c)only 42° d)all of the above ​

Answer 1

40-42 option A is correct because the red has 40° angle and voilet has 42° angle and all the coloures are between these two colours so to see a rainbow we need 40°-42° angle

Answer 2

A)
This implies that when we see arainbow and its band of colors we are looking at light refracted and reflected from different raindrops, some viewed at an angle of 42 degrees; some, at anangle of 40 degrees, and some in between.