X-rays are electromagnetic radiation with high energy and short wavelengths, allowing them to pass through many materials and interact with the atoms within them, thus revealing hidden details in old documents.
Which rays can be used to read very old written document? - $\beta$ Rays - $\gamma$ Rays
Asked in District Statistical Officer Assistant Director 2025 · Topic: Optics (Reflection and Refraction at plane and spherical surfaces)
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