1.

When an electron falls from a higher energy to a lower energy level, the difference in the energies appears in the form of electromagnetic radiation. Why cannot it be emitted as other forms of energy ?

Answer»

Solution :Because such electron comes in an orbit, closer to nucleus, its speed gets increased. i.e., it gets ACCELERATED.
Here electron (which is a charged PARTICLE) performs an accelerated MOTION, during which energy associated with periodically oscillating ELECTRIC and magnetic fields, gets emitted in the form of radiation.


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