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Ratio of masses of proton and electron i...

Ratio of masses of proton and electron is

A

1.8

B

`1.8 xx 10^(3)`

C

Infinite

D

None of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Assertion: Magnitude of electric force acting on a proton and an electron, moving in a uniform electric field is same, where as acceleration of electron is 1836 times that of a proton and opposite in direction. Reason: Electron is lighter than proton.

    A
    Both Assertion and Reason are true and Reason is the correct explanation of Assertion
    B
    Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
    C
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    D
    Assertion is false and Reason is false

  • (A ): Magnitude of electric force acting on a proton and an electron, moving in a uniform electric field is same, where as acceleration of electron is 1836 times that of a proton. (R ): Electron is lighter than proton.

    A
    Both .A. and .R. are true and .R. is the correct explanation of .A.
    B
    Both .A. and .R. are tru and .R. is not the correct explanation of .A.
    C
    A. is true and .R. is false
    D
    A. is false and .R. is true

  • The mass of one mole of electron is

    A
    1.008 g
    B
    0.55 mg
    C
    0.184 mg
    D
    1.673 mg

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