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In the Rutherford’s experiment of alpha ...

In the Rutherford’s experiment of alpha particles scattering on thin gold foil, in 1911, it was found that only ion `alpha`-particle among, 20,000 was deflected through `180^@`. This was due to

A

direct encounter with the foil

B

envisage the strong repulsive force of the. very high positive field of the nucleus.

C

encounter with free electrons in the foil

D

direct encounter with the tiny weighty nucleus of extremely high density

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In Rutherford experiment ,very few of the alpha particles scatter through large angles. Why ?

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Knowledge Check

  • In the Rutherford scattering experiment the number of alpha particles scattered at an angle theta=60^@ is 12 per min.The number of alpha particles per min when scattered at angle of 90^@

    A
    160
    B
    10
    C
    6
    D
    3

  • Statement I: The total positive charge and almost all the mass of an atom are confined in the nucleus. Statement II: In Rutherford's alpha -particle scattering experiment, majority of the alpha -particles penetrate the target without any deflection.

    A
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    B
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    C
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.
    D
    Direction: These question have statement I and statement II. Of the four choices given below , choose the one that best describes the two statements.
    A : Statement I is true , statement II is true, statement II is a correct explanation for statement I.
    B: Statement I is true , statement II is true, statement II is not a correct explanation for statement I.
    C: Statment I is true, statement II is false.
    D: Statement I is false, statement II is true.

    • Similar Questions

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    Indicate the conclusions drawn by Rutherford from his alpha -particle scattering experiment.

    What is Rutherford’s alpha - ray scattering experiment? What are its conclusions

    In Rutherford' experiment, generaly the thin foil of heavy atoms, like gold, paltinum etc. have been used to e bombarded by the alpha -particles. If the thin foil of light atoms like aluminium etc. is used, what difference would be observed from the above results?

    Suppose you are given a chance to repeat the alpha- particle scattering experiment using a thin sheet of solid hydrogen in place of the gold foil. (Hydrogen is a solid at temperatures below 14 K.) What results do you expect?

    What is the advantage of using gold rather than other metals in Rutherford's alpha particle scattering experiment ?

    Answer the following questions, which help you understand the difference between Thomson’s model and Rutherford’s model better. Keeping other factors fixed, it is found experimentally that for small thickness t, the number of a-particles scattered at moderate angles is proportional to t. What clue does this linear dependence on t provide?

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