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Long Questions (8 marks each)
Define density. Describe methods to determine densities of regular and irregular-shaped solids, liquids, and gases.
How would you distinguish between solids, liquids, and gases on the basis of attractive forces between particles and the motion of particles?
Describe two different physical properties that vary with temperature and explain how these properties can be used to measure temperature.
Describe the construction and working of different types of gas thermometers.
Analyze how the structure of a liquid-in-glass thermometer can be modified to improve its performance. Give a detailed answer.