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Assertion : Millikan's experiment establ...

Assertion : Millikan's experiment established that electric charge is quantised.
Reason : From this experiment mass of the electron could nit be determined.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
(c ) : From the value of charge of e and specific charge e/m, the mass m of the electron could be determined.
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Assertion (A) : Electric charges is quantised. Reason ® : charges less than n C is not possible in nature.

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Knowledge Check

  • Who established that electric charge is quantised ?

    A
    J.J. Thomson
    B
    William Crookes
    C
    R.A Millikan
    D
    Wilhelm Rontgen

  • Millikan's oil drop experiment established that

    A
    electric chage depends on velocity
    B
    specific charge of electron is `1.76xx10^(11)"C "kg^(-1)`
    C
    electron has wave nature
    D
    electric charge is quantised

  • The scientist who experimentally showed that electric charge is quantised only in terms of integral multiples of electronic charge is

    A
    Max Born
    B
    Max planck
    C
    Thomson
    D
    Millikan

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