X-ray

Wikipedia se
This is an X-ray photograph of a hand, showing the bones under the skin.

X-ray electromagnetic spectrum ke ek hissa hae, jiske frequency ultraviolet radiation se jaada hae. Ii solid materials ke aar paar jaawe sake hae. X-rays ke ek metal ke ek fast-moving electrons se daage se banawa jaawe sake hae.

X-ray photography ke medicine me haddi aur cancer ke dekhe me kaam me lawa jaawe hae.