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Alpha particles are positively charged....

Alpha particles are positively charged.

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Consider the following statements Rutherford's alpha particle scattering experiment proved that nucleus 1. contains massive particles 2. is a positively charged centre 3. is quite stable Which of these statements are correct?

Consider the following statements Rutherford's alpha particle scattering experiment proved that nucleus 1. contains massive particles 2. is a positively charged centre 3. is quite stable Which of these statements are correct ?

Knowledge Check

  • STATEMENT-I: It is possible for a thermal neutron to be absorbed by a nucleus where as proton or an alpha particle would need a much larger amount of energy for being absorbed by the same nucleus. STATEMENT-II: Neutron is electically neutral but proton and alpha particle are positively charged.

    A
    Statement-1 is True, Statement-2 is Ture, Statement-2 is correct explanation for Statement-3
    B
    Statement-1 is Ture, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
    C
    Statement-1 is True, Statement -2 is False
    D
    Statement-1 is False, Statement-2 is True.

  • Assertion : A beam of electrons deflect more than a beam of alpha -particles in an electric field Reaosn : Electrons possess negative charge while alpha particles possess positive charge

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanantion of the assertion
    C
    If assertion is true but reason is false
    D
    If the assertion and reason both are false

  • An alpha particle of positive charge +2e is compelled to rotate along a circular path of radius r in a cyclotron with linear speed v. The magnetic moment of the closed loop is

    A
    zero
    B
    (1/2) evr
    C
    evr
    D
    2 evr

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    A beam of electrons deflects more than a beam of alpha-"particles" in an electric field. Electrons possess negative charge while alpha-"particles" possess positive charge.

    The alpha - particle carries two positive charges. Its mass is very nearly equal to that of -

    If a positively charged particle and negatively charged particles are brought together, then force will be

    If a positively charged particle and negatively charged particles are brought together, then force will be

    The de-Broglie wavelength of an alpha- particles at a voltage V is (Given that alpha- particle has 2 units positive charge and 4 units mass )

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