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what is a stationary orbit ?...

what is a stationary orbit ?

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In the bohr model of a hydrogen atom , a stationary orbit is defined as any of the discrete allowed orbits such that the electron does not radiate energy while it is in such orbits.
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Knowledge Check

  • Find the frequency of revolution of the electron in the first stationary orbit of H -atom

    A
    `6xx10^(14)Hz`
    B
    `6.6xx10^(10)Hz`
    C
    `6.6xx10^(-10)Hz`
    D
    `6.6xx10^(15)Hz`

  • According to Bohr's theory speed of an electron in a stationary orbit is related to n as

    A
    `v_(n) prop 1//n^(2)`
    B
    `v_(n) prop 1//n`
    C
    `v_(n) prop n`
    D
    `v_(n) prop n^(2)`

  • If an electron in a hydrogen atom is in its 2^("nd") excited state, orbiting the nucleus in a stationary orbit or radius 4.65Å , then its de - Broglie wavelength is

    A
    `12.9Å`
    B
    `3.5Å`
    C
    `9.7Å`
    D
    `6.67Å`

    • Similar Questions

    Explore conceptually related problems

    In the first stationary orbit of hydrogen atom, the frequency of revolution of electron is of the order of.............. , and energy of electron is of order............ .

    (i) State Bohr's quantisation condition for defining stationary orbits. How does de-Broglie hypothesis explain the stationary orbits ? (ii) Find the relation between the three wavelengths, lambda_(1),lambda_(2) and lambda_(3) from the energy level diagram shown here.

    (i) State Bohr's quantization condition for defining stationary orbits . How does de- Broglie hypothesis explain the stationary orbits ? (ii) find the relation beween the three wavelengths lambda_(1), lambda _(2) " and " lambda_(3) from the energy level diagram shown :

    Derive an expression for the energy of the electron in a stationary orbit in the hydrogen atom. Hence, show that the energy is inversely proportional to (i) the radius of the orbit (ii) the square of the principal quantum number.

    (A) the total energy of an electron revolving in any stationary orbit is negative. (R) energy can have positive or negative values.

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