Can radiation pass through lead aprons?

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At 110Kev, over 90 percent of radiation is blocked, raising questions about the effectiveness against lower frequencies like microwaves and radio waves. The distinction between ionizing and non-ionizing radiation is crucial in understanding their interactions. A lead box can effectively block radio waves, but a Faraday cage made of copper offers superior performance. This highlights the importance of material choice in radiation shielding. Understanding these principles is essential for effective radiation protection strategies.
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At 110Kev they block above 90 percent but I wonder about other lower frequencies specifically microwaves and radio waves?
 
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Look up the difference between ionising and non-ionising radaition.

http://en.wikipedia.org/wiki/Radiation

Wrap a radio in a box made of lead and it will be quite effective in blocking radio waves (Google Faraday cage) but copper will usually perform much better.
 

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