If the frequency or revolution of the electron in first Bohr orbit of a H-atom is 6-6- 1015 Hz- the frequency in the next orbit is

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Standard XII

Physics

Characteristics of Bohr's Atomic Model

If the freque...

Question

If the frequency or revolution of the electron in first Bohr orbit of a H-atom is $6.6 \times 10^{15}$ Hz, the frequency in the next orbit is

13.2 \times 10^{15}

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43.50 \times 10^{30}

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0.8 \times 10^{15}

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1.65 \times 10^{15}

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Solution

The correct option is A $13.2 \times 10^{15}$ Hz
Frequency of $n^{t h}$ orbit in $H - a t o m$ is given by :-
$ν_{n} = n ν_{0}$ $(ν_{0} =$ frequency of first orbit)
so for n = 2
$\Rightarrow ν_{2} = 2 \times 6.6 \times 10^{15} = 13.2 \times 10^{15} H_{2}$

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If the frequency or revolution of the electron in first Bohr orbit of a H-atom is 6.6×1015 Hz, the frequency in the next orbit is

The correct option is A 13.2×1015 HzFrequency of nth orbit in H−atom is given by :-νn=nν0 (ν0= frequency of first orbit)so for n = 2⇒ν2=2×6.6×1015=13.2×1015H2

If the frequency or revolution of the electron in first Bohr orbit of a H-atom is $6.6 \times 10^{15}$ Hz, the frequency in the next orbit is

The correct option is A $13.2 \times 10^{15}$ Hz
Frequency of $n^{t h}$ orbit in $H - a t o m$ is given by :-
$ν_{n} = n ν_{0}$ $(ν_{0} =$ frequency of first orbit)
so for n = 2
$\Rightarrow ν_{2} = 2 \times 6.6 \times 10^{15} = 13.2 \times 10^{15} H_{2}$