the ratio of radius of two different orbits in a h like atom is 4:9 the the the ratio of the frequency of the revolution of electron in these orbits are
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Answer:
1) The ration between frequency and radius for an electron in an orbit is
ν=
2) Thus the ratio is
=
=
=4:9
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Given:
Ratio of two different orbits = 4:9
To Find:
Frequency of the revolution of electron in these orbits
Solution:
The relation between frequency and radius for an electron in an orbit is-
v' = v/2πr
v ∝1/r
v1v2 = r2/r1
v1/v2 = 1/(r1/r2) -- eq 1
r1/r2 = 4/9 -- eq 2
From equations 1 and 2
v1/v2 = 1/(4/9)
= 9/4
Answer: The ratio of frequency of revolution of electron is 9:4
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