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According to Bohr's model the orbit of e...

According to Bohr's model the orbit of electron revolving around the nucleus is ......

A

elliptical

B

circular

C

parabola

D

spiral

Text Solution

Verified by Experts

The correct Answer is:
B
circular
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Knowledge Check

  • According to Bohr's model of atom the orbit of an electron ...... [Where n is quantum number and Z = atomic number].

    A
    `r_(n)prop(n)/(Z)`
    B
    `r_(n)prop(n^(2))/(Z)`
    C
    `r_(n)prop(n^(2))/(Z^(2))`
    D
    `r_(n)prop(Z^(2))/(n^(2))`

  • According to Bohr model, energy of electron in n^(th) orbit is ...... Z = atomic number.

    A
    `E_(n)prop(n^(2))/(Z^(2))`
    B
    `E_(n)prop(Z^(2))/(n^(2))`
    C
    `E_(n)prop(n)/(Z)`
    D
    `E_(n)prop(Z)/(n)`

  • An electron revolving in a stationary orbit .....

    A
    emits energy according to quantum theory
    B
    does not emit energy
    C
    remains in excited state
    D
    posses rotational motion only

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    A: Bohr had to postulate that the electrons in stationary orbit around the nucleus do not radiate. R: According to classical physics all moving electrons radiate.

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