Fusion reaction takes place at high temperatu | vedclass

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Question

(D) Fusion reactions involve the merging of two light nuclei to form a heavier nucleus. Since nuclei are positively charged,they experience a strong e

Vedclass · Accepted Answer

Kinetic energy is high enough to overcome repulsion between nuclei

Vedclass · Answer

(D) Fusion reactions involve the merging of two light nuclei to form a heavier nucleus. Since nuclei are positively charged,they experience a strong electrostatic (Coulomb) repulsion when brought close together. To overcome this repulsion and bring the nuclei within the range of the strong nuclear force,they must possess very high kinetic energy. This high kinetic energy is achieved only at extremely high temperatures (on the order of $10^7 \ K$ to $10^8 \ K$). Therefore,option $D$ is correct.

Fusion reaction takes place at high temperature because

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