Question: The biologically equivalent dose for a typical chest X-ray is 2.5 10-2 rem. The mass of the exposed tissue is 21 kg, and it

The biologically equivalent dose for a typical chest X-ray is 2.5 × 10-2 rem. The mass of the exposed tissue is 21 kg, and it absorbs 6.2 × 10-3 J of energy. What is the relative biological effectiveness (RBE) for the radiation on this particular type of tissue?

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