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प्रश्न
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside ______.
विकल्प
a heat-resistant box
a rectangular box
Hope’s apparatus
None of these
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उत्तर
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside a heat resistant box.
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संबंधित प्रश्न
Calculate the mass of ice needed to cool 150 g of water contained in a calorimeter of mass 50 g at 32 °C such that the final temperature is 5 °C. Specific heat capacity of calorimeter = 0.4 J g-1 °C-1, Specific heat capacity of water = 4.2 J g-1°C-1, latent heat capacity of ice = 330 J g-1.
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The temperature of 170 g of water at 50°C is lowered to 5°C by adding a certain amount of ice to it. Find the mass of ice added.
Given: Specific heat capacity of water = 4200 J kg-1 °C-1 and specific latent heat of ice = 336000 J kg-1.
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