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Standard XII
Physics
Alpha Particle & Rutherford Model
Question

$$\alpha -$$particles are projected towards the nuclei of the following metals, with the same kinetic energy. Towards which metal, the distance of closest approach is minimum ?

A
$$Ag (Z=47)$$
B
$$Pd (Z=46)$$
C
$$Cu (Z=29)$$
D
$$Au (Z=79)$$
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Solution
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Correct option is A. $$Cu (Z=29)$$

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