Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams
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Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
65.
The damage of the human body due to radiation (X-rays or g-rays etc,) is measured in -
67.
Which instrument is used to convert mechanical energy into electrical energy?
70.
Which instrument is used to receive a signal and transmit a reply immediately?
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