Physics General Knowledge Questions and Answers
9. | The special technique used in ships to calculate the depth of ocean beds is | ||
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A. Reverberation | |||
B. LASER | |||
C. Sonic boom | |||
D. SONAR |
Answer | ||
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10. | A jet engine works on the principle of conservation of | ||
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A. Energy | |||
B. Mass | |||
C. Angular momentum | |||
D. Linear momentum |
Answer | ||
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11. | The clouds float in the atmosphere because of their low | ||
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A. Density | |||
B. Temperature | |||
C. Velocity | |||
D. Pressure |
Answer | ||
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12. | Microwave oven consumes less power due to | ||
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A. Short wavelength of radiation | |||
B. Small frequency of radiation | |||
C. Small frequency as well as wavelength of radiation | |||
D. Large frequency as well as wavelength of radiation |
Answer | ||
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