The annual effective dose limit for the general public, assuming frequent exposure, is which value?

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Multiple Choice

The annual effective dose limit for the general public, assuming frequent exposure, is which value?

Explanation:
The main idea here is regulatory protection for people who are not workers. For the general public, the allowed annual effective dose from all controllable radiation exposure, when exposure is frequent, is 1 mSv per year. This limit is intentionally low to keep cancer risk from radiation of everyday life very small, and it sits below the occupational limit (which is higher because workers have more exposure tolerance and screening). Among the given options, 1.0 mSv matches this public exposure limit. The other values don’t fit: 0.5 mSv is below the standard public limit and not the accepted annual limit, 0.05 mSv is far too small, and 500 mSv would be far beyond any public safety guideline.

The main idea here is regulatory protection for people who are not workers. For the general public, the allowed annual effective dose from all controllable radiation exposure, when exposure is frequent, is 1 mSv per year. This limit is intentionally low to keep cancer risk from radiation of everyday life very small, and it sits below the occupational limit (which is higher because workers have more exposure tolerance and screening). Among the given options, 1.0 mSv matches this public exposure limit. The other values don’t fit: 0.5 mSv is below the standard public limit and not the accepted annual limit, 0.05 mSv is far too small, and 500 mSv would be far beyond any public safety guideline.

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