1.

Postulates boots model for hydrogen atom in easy​

Answer»

Answer:

) An electron can revolve around the nucleus in certain fixed ORBITS of definite energy without emission of any radiant energy. Such orbits are called stationary orbits.

2) An electron can MAKE a transition from a stationary STATE of higher energy

E

2

to a state of lower energy

E

1

and in doing so, it EMITS a single photon of frequency,

ν

=

E

2

−

E

1

h

where

h

is the Planck's constant.

Conversely, on absorbing an energy,

E

2

−

E

1

when the electron is at energy

E

1

, the electron can make a transition from

E

1

to

E

2

.

3) Only those orbits are allowed for which the angular momentum of the electron is an INTEGRAL multiple of

h

2

π

,

Thus,

L

=

n

h

2

π

where

n

=

0

,

1

,

2

,

...

.

.


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