Physics General Knowledge Questions and Answers
13. | Light from the sun reaches earth in about | ||
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A. 2 minutes | |||
B. 4 minutes | |||
C. 8 minutes | |||
D. 16 minutes |
Answer | ||
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14. | Pyrometer is used to measure | ||
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A. Humidity | |||
B. High temperature | |||
C. Air pressure | |||
D. Intensity of earthquake |
Answer | ||
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15. | What is the source of electrical energy in an artificial satellite? | ||
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A. Solar cell | |||
B. Thermopile | |||
C. Mini nuclear reactor | |||
D. Dynamo |
Answer | ||
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16. | The least distance of distinct vision for human eye is | ||
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A. 5 cm | |||
B. 25 cm | |||
C. 75 cm | |||
D. 100 cm |
Answer | ||
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