Which of the following statements is true when we see

Solution

We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindropandreturntooureyes.Arainbowisan optical and meteorological phenomenon that is causedbyreflectionoflightinwaterdropletsin the Earth's atmosphere, resulting in a spectrum of light appearing in the sky.