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(A) charged particle experiences a magnetic Lorentz force when moving in a magnetic field,given by $\vec{F} = q(\vec{v} 	imes \vec{B})$.This force ca

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$i, ii, iii$

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(A) charged particle experiences a magnetic Lorentz force when moving in a magnetic field,given by $\vec{F} = q(\vec{v} 	imes \vec{B})$.This force causes the particle to deflect.$(i)$ Electrons are negatively charged particles.$(ii)$ Protons are positively charged particles.$(iii)$ $He^{2+}$ (alpha particles) are positively charged particles.$(iv)$ Neutrons are electrically neutral particles and do not experience a magnetic force.Since the emission is deflected,it must be a charged particle. Therefore,the emission can be $(i)$,$(ii)$,or $(iii)$.

At a specific instant,the emission of a radioactive compound is deflected in a magnetic field. The compound can emit:
$(i)$ Electrons
$(ii)$ Protons
$(iii)$ $He^{2+}$
$(iv)$ Neutrons
The emission at that instant can be:

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At a specific instant,the emission of a radioactive compound is deflected in a magnetic field. The compound can emit:$(i)$ Electrons$(ii)$ Protons$(iii)$ $He^{2+}$$(iv)$ NeutronsThe emission at that instant can be: