Nuclear Radiation | Practice MCQs Physics for Mdcat By Engr Kamran Soomro | mosaicbro.com

Nuclear Radiation | Practice MCQs Physics for Mdcat By Engr Kamran Soomro

6 of 83 questions (Page 12 of 12)

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78 83. Geiger counter is suitable:
Correct Answer: C
Explanation: Dead time limits fast counting.
79 84. In a Wilson cloud chamber, the alpha particles have:
Correct Answer: C
Explanation: $\alpha$-particles produce thick, straight tracks.
80 85. Which one of the following detectors can count fast and operate at low voltage:
Correct Answer: C
Explanation: Solid-state detectors are efficient and low-power.
81 86. Draw back of Geiger counter is:
Correct Answer: C
Explanation: High voltage and dead time are limitations.
82 87. $\gamma$-rays show ______ in Wilson cloud chamber:
Correct Answer: D
Explanation: $\gamma$-rays produce secondary electron trails (not direct tracks).
83 88. I$^1$ used for the remedy of:
Correct Answer: B
Explanation: Iodine-131 targets thyroid tissue.
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