Physics · Nuclear Physics
A 7.9 MeV α-particle scatters from a gold foil target material of atomic number 79. Based on the distance of closest approach, the estimated diameter of the target nucleus is approximately ________ m. [Given: 14πεo = 9 × 109 N·m2/C2, charge of electron = 1.6 × 10-19 C]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.69 × 10-12
- 22.88 × 10-14✓
- 31.44 × 10-13
- 45.76 × 10-14
Correct answer
2.88 × 10-14
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