When light meets a water droplet, it is refracted at the boundary of air and water, and enters the droplet, where the light is dispersed into the seven colors. The rainbow effect occurs because the light is then reflected inside the droplet and finally refracted out again into the air.hen light meets a water droplet, it is refracted at the boundary of air and water, and enters the droplet, where the light is dispersed into the seven colors. The rainbow effect occurs because the light is then reflected inside the droplet and finally refracted out again into the air.
Valium belongs to a class of drugs called benzodiazepines, which work by increasing the effects of GABA, a neurotransmitter that moderates the activity of nerve signals in the brain. The Food and Drug Administration (FDA) approved diazepam in 1963 under the brand name Valium for the Roche drug company.
A: Diazepam (Valium) is a benzodiazepine commonly used to treat anxiety and panic disorders. Diazepam is not indicated for the treatment of depression. Diazepam is a controlled substance and may become habit forming. Only take diazepam as prescribed by your doctor.f you stop taking Valium suddenly after taking it for a long time, you may have withdrawal symptoms including anxiety, irritability, and trouble sleeping. Valium is intended for short-term use. Because it may be habit-forming, it's not recommended that people take it for longer than four months.