Pick the wrong answer in the context with rainbow.
(1) When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed
(2) The order of colours is reversed in the secondary rainbow
(3) An observer can see a rainbow when his front is towards the sun
(4) Rainbow is a combined effect of dispersion refraction and reflection of sunlight
(1) When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed
(2) The order of colours is reversed in the secondary rainbow
(3) An observer can see a rainbow when his front is towards the sun
(4) Rainbow is a combined effect of dispersion refraction and reflection of sunlight