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Rutherford's alpha-particle scattering e...

Rutherford's `alpha`-particle scattering experiment led to the conclusion that :

A

Mass and energy are related

B

The mass and the positive charge of an atom are concentrated in the nucleus

C

Neutrons are present in the nucleus

D

Atoms are electrically neutral

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • At the suggestion of Ernest Rutherford, Hans Geiger and Ernest Marsden bombarded a thin gold foil by d-particles from a polonium source. It was expected that O-particles would go right through the foil with hardly any deflection. Although most of the alpha particles indeed were not deviated by much, a few were scattered through very large angles. Some were even scattered in the backward direction. The only way to explain the results Rutherford found, was to picture an atom as being composed of a tiny nucleus in which it is positive charge and nearly all its mass is concentrated. Rutherford's c-particle scattering experiment led to the conclusion that

    A
    mass and energy are related
    B
    mass and positive charge of an atom are concentrated in the nucleus
    C
    neutrons are present in the nucleus
    D
    atoms are electrically neutral.

  • Rutherford's alpha particle scattering experiment eventually led to the conclusion that

    A
    neutrons are buried deep in the nucleus
    B
    the point of impact with matter can be precisely determined
    C
    electrons occupy space around the nucleus
    D
    mass and energy are related

  • Rutherford's alpha particle scattering experiment eventually led to the conclusion that

    A
    mass and energy are related
    B
    nucleus is present in the centre of the atom
    C
    neutrons are buried deep in the nucleus
    D
    the point of impact with matter can be precisely determined.

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