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Quiz 9
Mdcat-past-papers - NUMS - Physics Quiz
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Board: NUMS | Subject: Physics |
161. Unit of Gy:
J/kg
JKg
KJ/Kg
JKg
162. Which rays are used in medical diagnosis?
X-rays
Gamma rays
Alpha rays
Beta rays
163. 1 Gy is equal to:
1 Jkg
1 Jkg⁻¹
1 J⁻¹kg
J⁻¹K⁻¹
164. A 32 g radioactive element decays and remains 2 g after 60 days. What is half-life of this radioactive element?
2 days
10 days
6 days
15 days
165. One rem is equal to:
0.01 Gy/RBC
0.01 Gy × RBC
0.01 RBC
0.01 Gy
166. 1 rad is equal to:
0.01 J/Kg
0.01 Kg/J
0.01 J
0.01 Kg
167. A 60 kg man absorbs lethal whole body equivalent dose of 200 rem with RBE factor of 10. Energy absorbed is:
9 J
8 J
10 J
12 J
168. Somatic effect causes:
Gene deformation
Chromosomes deformation
Skin burns
Eye burns
169. Each person experiences the background radiation dose in one year:
1 mSv
1 mGy
1 Gy
1 Sv
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