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Home  >  Volume 31 (July 2015)

Variation of Natural Gamma Radiation with Vertical Height by Idris Ahmad, Y.Y. Ibrahim, Ibrahim Abdullahi (Pages 231-240)
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This paper presents the results of variations of the natural gamma radiation with vertical height. An experiment was conducted to investigate the effect of changes in vertical height on the gamma radiation absorbed dose level in the environment and its implication on Radiation hazards. The gamma radiation absorbed dose level measurements were carried out within four weeks using a Geiger-Muller(G-M) tube, the result shows  that gamma radiation absorbed dose in the environment reduces with increase in vertical height.

Keywords: Gamma radiation, absorbed dose, Geiger-Muller tube (GMT).