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  Item Reference: KCLCAL-1899-1900-785

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FACULTY OF SCIENCE CXXX111 SECOND YEAR Describe any good method of determining the specific heat of solid 50 grams of water at 98 are poured into 350 grams of water at 10 contained in calorimeter and the resulting temperature is found to be 20 What is the water equivalent of the calorimeter itself Distinguish between the coefficient of apparent ex- pansion and the coefficient of absolute expansion of liquid By what method has the coefficient of absolute expansion of mercury been determined Ρ In perfect gas -ψ- is said to be constant explain the meaning of this statement gas which occupies 250 cb cm at and under 76 cm of mercury is raised to temperature of 54 and com- pressed to 150 cb cm What is its final pressure Define elasticity and density and explain how the velocity of sound depends on them How is the velocity of sound in gas affected by rise of barometric pressure rise of temperature Describe the mode of vibration of air in an open organ pipe If the velocity of sound in air is 1120 feet per second what is the frequency of the note emitted by an open pipe feet long If it were closed pipe of the same length what would be the frequency Explain with the aid of diagram the refraction of beam of white light by glass prism Show what observa- tions would have to be made in order to deduce the refractive index of the glass for particular coloured ray concave mirror of feet focal length is required to produce an enlarged image of an object magnified times Where should the object be placed in reference to the mirror Draw diagrams showing that two positions are possible Describe Volta's condensing electroscope and explain its action Explain carefully the meaning of the terra electrostatic capacity
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