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Determine the biologically equivalent dose received by a patient from a chest Xray. The X-ray beam is turned on for 0.1 s, the intensity is 1W/m2, the area of the chest being exposed is 0.1 m2, and the radiation is absorbed by 3.0 kg of tissue. The relative biological effectiveness (RBE) of the X-rays is 1.5. What biological effect is this radiation likely to have?

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