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Question 9 (1 point) Which of the following is false? X rays can be used to treat cancer. X rays can be used to detect hidden flaws in certain objects. X rays can be used to study atomic structure. X rays are commonly used to make ultrasound images of babies before birth. X rays are produced by collisions of electrons on a metal target. Question 10 (1 point) Radio waves with a wavelength of 1 m are transmitted into a room in phase with sound waves of wavelength 1 m. The radio waves and the sound waves experience constructive and destructive interference experience constructive interference only experience destructive interference only combine so that the sound waves modulate the radio waves none of the above
Transcribed Image Text:Question 9 (1 point) Which of the following is false? X rays can be used to treat cancer. X rays can be used to detect hidden flaws in certain objects. X rays can be used to study atomic structure. X rays are commonly used to make ultrasound images of babies before birth. X rays are produced by collisions of electrons on a metal target. Question 10 (1 point) Radio waves with a wavelength of 1 m are transmitted into a room in phase with sound waves of wavelength 1 m. The radio waves and the sound waves experience constructive and destructive interference experience constructive interference only experience destructive interference only combine so that the sound waves modulate the radio waves none of the above
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