12.Atoms
easy

मान लीजिए कि स्वर्ण पन्नी के स्थान पर ठोस हाइड्रोजन की पतली शीट का उपयोग करके आपको ऐल्फा-कण प्रकीर्णन प्रयोग दोहराने का अवसर प्राप्त होता है। (हाइड्रोजन $14 K$ से नीचे

Option A
Option B
Option C
Option D

Solution

In the alpha-particle scattering experiment, if a thin sheet of solid hydrogen is used in place of a gold foil, then the scattering angle would not be large enough. This is because the mass of hydrogen is less than the mass of incident $\alpha$ – particles Thus, the mass of the scattering particle is more than the target nucleus (hydrogen). As a result, the $\alpha$ particles would not bounce back if solid hydrogen is used in the aparticle scattering experiment and so we cannot determine size of the hydrogen nucleus.

Standard 12
Physics

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