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Unit 1: Science Behind Radiological Equipment

20252m

The unit used for measuring the effective dose of radiation is:
(i) RAD
(ii) Gray
(iii) REM
(iv) Sievert

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Answer

Correct option: (iv) Sievert

The sievert (Sv) is the SI unit of equivalent dose and effective dose, accounting for radiation type and biological sensitivity. The gray (Gy) measures absorbed dose.

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