GENERAL KNOWLEDGE

GK

UNITS DEVICES DIMENSIONS AND MEASUREMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The damage of the human body due to radiation (X-rays or
A
Rads
B
Rems
C
Curie
D
Roentgen
Explanation: 

Detailed explanation-1: -The damage of the human body due to radiation (X-rays or gamma rays etc) is measured in rems.

Detailed explanation-2: -Gamma rays are the most harmful external hazard. Beta particles can partially penetrate skin, causing “beta burns”. Alpha particles cannot penetrate intact skin. Gamma and x-rays can pass through a person damaging cells in their path.

Detailed explanation-3: -These ionizing radiations enter the living tissues and can destroy living cells, chromosomal aberrations and carcinogenic effect. Ionizing radiation can randomly cause damage to all cellular components and induces a variety of DNA effect. So x-ray is utilized in well-prevent and protective condition.

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