science column

There is something wrong with the rainbows seen in the dream!!

Seeing a rainbow after it rains is always a refreshing sight.
One night, Professor LC saw rainbows in his dream. He almost crossed the rainbow to get across the mountain. But something was not right. A photo like this couldn’t be taken, the professor felt.
There are several problems with the drawing below. Find two problems and then go to the next page.

To the problems with the rainbows in the dream