Siphon is a device to transfer liquid from a higher level to a lower level. The condition of working of a siphon is :

When an electron drops from a higher energy level to a low energy level, then

When electron transist from higher energy level to lower energy level then …..

Can electricity be made to flow like water flowing from higher level to lower level

An electron in a hydrogen atom undergoes a transition from higher energy level to a lower energy level. The incorrect statement of the following is

What does higher and lower BOD levels indicate?

When an electron of hydrogen like atom jumps from a higher energy level to a lower energy level.

When an electron of hydrogen like atom jumps from a higher energy level to a lower energy level.