An electron revolves around the nucleus in a circular path with angular momentum \overrightarrow{L}. A uniform magnetic field \overrightarrow{B} is applied perpendicular to the plane of its orbit. If the electron experiences a torque \overrightarrow{T}, then

Correct Answer is : →T⋅→L=0

\overrightarrow{ {T} \| \overrightarrow{ {L}

\overrightarrow{ {T} is anti-parallel to \overrightarrow{ {L}

\overrightarrow{ {T} \cdot \overrightarrow{ {L}=0

Angle between \overrightarrow{ {T} and \overrightarrow{ {L} is 45^{\circ}

WBJEE 2022 Physics and Chemistry Paper

Question : 9 of 80

Marks: +1, -0

An electron revolves around the nucleus in a circular path with angular momentum

→

. A uniform magnetic field

→

is applied perpendicular to the plane of its orbit. If the electron experiences a torque

→

, then

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