In the Thomson spectrograph experiment,four p | vedclass

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Question

(A) In a Thomson spectrograph,the deflection of a charged particle in electric and magnetic fields is given by the equation of a parabola $y = kx^2$,w

Vedclass · Accepted Answer

The specific charge of $R$ and $S$ are the same.

Vedclass · Answer

(A) In a Thomson spectrograph,the deflection of a charged particle in electric and magnetic fields is given by the equation of a parabola $y = kx^2$,where $k$ depends on the specific charge $(q/m)$ of the particle.All positive ions having the same specific charge $(q/m)$ lie on the same parabolic path,regardless of their velocities.Looking at the figure,points $R$ and $S$ lie on the same parabolic curve.Therefore,the specific charge of $R$ and $S$ must be the same.Thus,option $A$ is correct.

In the Thomson spectrograph experiment,four positive ions $P, Q, R,$ and $S$ are situated on the $Y-X$ curves as shown in the figure.

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