Using a spray bottle, make a homemade rainbow. Under what condition can it be observed?

If you direct the light from a light source (lamps, Sun, etc.) to the water droplets flying out of the spray bottle, we will see a rainbow.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.