What is an X-ray?, Where in the electromagnetic spectrum is X-ray located?, How are X-rays produced in an X-ray vacuum tube?, How do the wavelength and frequency of X-rays compare with visible light?, What is one medical use of X-rays?, What are X-rays used for in dentistry?, How are X-rays used in airport security?, What are two harmful effects of X-rays on cells?, Why can too much exposure to X-rays be dangerous?, Who discovered X-rays for the first time?, What is Roentgen?, Mention one safety measure to prevent the harmful effects of X-ray radiation.

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