Question Detail

CHM 102 Radioactivity Objective Question
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Question

What is the definition of the unit Gray (Gy)?
Options
A 3.7×10<sup>10</sup> disintegrations per second
B 1 disintegration per second
C 1 J of energy received by 1 kg of tissue
Correct Answer
D Gray × quality factor of radiation
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 5, in the 'Units of radioactivity' table, defines Gray (Gy) as '1 J of energy received by 1 kg of tissue'.

Hint

Gray is a unit of absorbed radiation dose.

Question Info

Course: CHM 102
Topic: Radioactivity
Type: Objective
Difficulty: Not specified
Question 1874 of 1999
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