Physics GK Questions and Answers
5. | Which one of the following is the unit of activity of a radioactive source? | ||
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A. Tesla | |||
B. Lux | |||
C. Becquerel | |||
D. Siemens |
Answer | ||
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6. | Core of transformer is made up of | ||
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A. Steel | |||
B. Aluminium | |||
C. Copper | |||
D. Soft iron |
Answer | ||
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7. | Light year is the unit of | ||
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A. Time | |||
B. Mass | |||
C. Intensity of light | |||
D. Distance |
Answer | ||
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8. | The unit of work is | ||
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A. Newton | |||
B. Joule | |||
C. Dyne | |||
D. Watt |
Answer | ||
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