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(A) In the Geiger-Marsden experiment,the number of $\alpha$-particles scattered at an angle $	heta$ is given by the relation $N(	heta) \propto \frac

Vedclass · Accepted Answer

$0.125$

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(A) In the Geiger-Marsden experiment,the number of $\alpha$-particles scattered at an angle $	heta$ is given by the relation $N(	heta) \propto \frac{1}{\sin^4(	heta/2)}$.Experimental observations show that for a thin gold foil,the fraction of $\alpha$-particles scattered by an angle greater than $1^o$ is approximately $0.125\%$ or $1$ in $8000$ particles.Therefore,the correct option is $A$.

What is the percentage of $\alpha$-particles that have more than $1^o$ scattering in the Geiger-Marsden experiment (in $\%$)?

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