The alpha radiation is not used in radiotherapy because:

[A] It is an ionizing radiation

[B] It is unable to penetrate human skin
[C] It is toxic to human tissues
[D] It is not cost effective

1 thought on “The alpha radiation is not used in radiotherapy because:”

  1. B [ It is unable to penetrate human skin]
    Notes:
    The alpha particles have very large atomic volume and hence do not penetrate human skin.

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