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According to Bohr's first postulate an e...

According to Bohr's first postulate an electron in an atom can revolve

A

IN any orbit

B

in certain stable orbits with emission of radiant energy

C

IN certain stable orbits without emission of radiant energy

D

only in orbit close to nucleus

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The correct Answer is:
C
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Bohr's Model(postulates)

According to Bohr's quantum condition an electron in hydrogen and hydrogen like atoms can revolve in those stable orbits in which its momentum is an integer multiple of Planck's constant.

Knowledge Check

  • According to Bohr's atomic model

    A
    the electron radiates energy only when it jumps to inner orbit
    B
    an atom has heavy, positively charged nucleus
    C
    the electron can move in particular orbits
    D
    all of these

  • According to Bohr's atomic model

    A
    electron on H atom can have only certain values of angular momentum
    B
    electrons have a particle as well as wave character
    C
    atomic spectrum of atom should contain only five lines
    D
    all the above statements are correct

  • According to Bohr's model of the atom, an electron can revolve around the atomic nucleus in a suitable orbit without emitting energy if its orbit

    A
    is a perfect circle
    B
    is a circle with a large radius
    C
    houses a whole number of de-Broglie waves
    D
    houses odd number of de-Broglie waves.

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