Assertion (A),In the Thomson's e/m exper...

Assertion (A),In the Thomson's e/m experiment of electrons, the specific charge of electrons is independent of natural of the discharge tube
Reason (R ): Charge of a body is quantized

A

`A` and `R` are true and `R` is the correct explaination of `A`

B

`A` and `R` are true and `R`is not the correct explaination of `A`

C

`A` is true and `R` is false.

D

`A` is false but `R` is true

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

The specific charge of an electron is

A

`1.6 xx 10^(-19)` coulomb

B

`4.8 xx 10^(-10)` statcoulomb

C

`1.76 xx 10^11` coulomb/kg

D

`|8| xx 10^(-15) Hz`

When the speed of the electron increases, the specific charge

A

Decreases

B

Increases

C

Remains same

D

None

In Thomson's method of determining e/m of electrons

A

Electric and magnetic fields are parallel to electrons beam

B

Electric and magnetic fields are perpendicular to each other and perpendicular to electrons beam

C

Magnetic field is parallel to the electrons beam

D

Electric field is parallel to the electrons beam

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