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(C) The penetrating power of radiation depends on its energy and interaction with matter.$\alpha$-particles are heavy and charged,leading to high ioni

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$\gamma$-rays

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(C) The penetrating power of radiation depends on its energy and interaction with matter.$\alpha$-particles are heavy and charged,leading to high ionization but low penetration.$\beta$-particles have higher penetrating power than $\alpha$-particles.$\gamma$-rays are high-energy electromagnetic waves with no charge and very small mass,allowing them to pass through most materials.The penetrating power of $\gamma$-rays is approximately $1000$ times that of $\beta$-particles,and $\beta$-particles have about $100$ times the penetrating power of $\alpha$-particles.Therefore,$\gamma$-rays have the highest penetrating power among the given options.

Which of the following will have the highest penetrating power?

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