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According to Rutherford's atomic model, ...

According to Rutherford's atomic model, which of the following is correct ?

A

atom is stable

B

majority of space in an atom is empty

C

E=hf

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • According to Bohr's atomic theory, which of the following relations are correct-

    A
    kinetic energy of electron `propZ^(2)//n^(2)`
    B
    the product of velocity of electron and the principal quantum number `propZ^(2)`
    C
    Frequency of revolution of electron in an orbit `propZ^(2)//n^(3)`
    D
    coulombic force of attraction on electron `propZ^(2)//n^(4)`

  • According to penetration power which one of the following is correct?

    A
    `gamma-ray gt X-ray gt beta-ray gt alpha-ray`
    B
    `alpha-ray gt beta-ray gt gamma -ray gt X-ray`
    C
    `X-ray gt gamma-ray gt alpha-ray gt beta-ray`
    D
    `X-ray gt alpha-ray gt gamma-ray gt beta-ray`

  • According to Bohr's theory, which of the following correctly represents the variation of energy and radius of an electron in nth orbit of H-atom-

    A
    `E_(n)prop(1)/(n^(2)),rprop(1)/(n^(2))`
    B
    `E_(n)prop(1)/(n^(2)),rpropn^(2)`
    C
    `E_(n)propn^(2),rpropn^(2)`
    D
    `E_(n) propn,rprop(1)/(n)`

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