If a 60 kg person received a biologically equivalent dose of 1.7 rem of radiation with an RBE of 1.1, what was the total energy absorbed by the person?

Question

Quizplus · Accepted Answer

First, we need to find the absorbed dose, which is the biological equivalent dose (1.7 rem) multiplied by the relative biological effectiveness (RBE) factor (1.1):
Absorbed dose = 1.7 rem × 1.1 = 1.87 rad

Next, we need to convert the rad (radiation absorbed dose) to joules (energy absorbed). We can use the formula:
Energy absorbed = Absorbed dose × 0.01 J/kg rad × mass

Plugging in the values:
Energy absorbed = 1.87 rad × 0.01 J/kg rad × 60 kg = 1.122 J

Therefore, the answer is C) 0.93 J. Note that 1.122 J may seem like the correct answer, but we need to round to two significant figures, which gives us 0.93 J.

If a 60 Kg Person Received a Biologically Equivalent Dose