A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?
Correct answer C. Nuclear Radiation
Tip: press A, B, C or D to answer, and N for the next question.
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See allMagnifying power of a simple microscope can be increased by?
Correct answer B. Decreasing focal length of the lens
Twinkling of stars is caused by?
Correct answer C. refraction of light
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In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called?
Correct answer D. Fusion nuclear reaction
The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use?
Correct answer C. Ultrasonic
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