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← ScienceWhich mechanism causes alpha particle emission in actinide decay?
A)Quantum tunneling through the potential barrier✓
B)Neutron capture within the nucleus
C)Induced fission by background radiation
D)Beta decay altering nucleon number
💡 Explanation
Alpha particles overcome the strong nuclear force through quantum tunneling; because the wave function has a non-zero probability outside the nucleus, they escape; therefore tunneling explains emission, rather than fission or beta decay effects.
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