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Q 35 Exercise

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1237

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Short Answer

How many grays of gamma-ray photons cause the same bio-

logical damage as 30 Gy of alpha radiation?

Hence, 600 Gy of gamma particles rays causes the damage equivalent to the damage caused by 30 Gy of alpha particles.

See the step by step solution

Step by Step Solution

Step 1: Given information

Grays of gamma-ray photons

Step 2: Explanation

The gamma ray's RBE is 1, while the alpha particle's RBE is 20. As a result, 20 Gy of alpha particle equals

20x 30 = 600 Gy of gamma particle.

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