C? It is because: A. The specific heat capacity of water at 100 C. B. The latent

Question

C? It is because: A. The specific heat capacity of water at 100 C. B. The latent heat of vaporization of water C. The latent heat of fusion of water D. The amphoteric pressure of 1 atm E. The pressure of water column in an auditorium. There was a seat where I hardly hear voice of a person on the stage. What is the cause of this phenomenon? A. Shock wave B. Doppler effect C. Resonance D. Interference E. None of the above 13. Which is the basic principle of a hydraulic brake system of an automobile F. Newton's 3od law G. Archimedes' principle H. Pascal's principle I. Ideal gas law J. None of the above 14. Beat is observed when frequencies of two sound sources are: A. Exactly the same B. Different by factor of two C. Slightly different by a few hertz or so. D. Moving at different speeds. E. None of the above. 15. We maintain our body temperature by circulating blood. What is this mechanism of heat transfer? a. Conduction b. Radiation c. Convection d. Diffusion e. Transfusion

Explanation / Answer

11. B) THe latent heat of vaporization of water

as steam is vaporized and water at 100 c is not

12. D) interference   


13. H. Pascals principle
F1/A1= F2/A2  

14. C) slightly different by a few heartz

15. C) convection

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