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It is observed that the temperature of t...

It is observed that the temperature of the surroundings starts falling when the ice in a frozen lake starts melting. Give a reason for the observation.

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The sound produced from the base drum is louder than the sound produced by the side drums, hence it can be heard distinctly from a distance as compared to the side drums.
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ICSE-SAMPLE PAPER 2019-SECTION - II
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  11. The diagram alongside shows a circuit with the key k open. Calculate :...

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  13. The diagram above shows a circuit with the key k open. Calculate : t...

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  14. The diagram above shows a circuit with the key k open. Calculate : t...

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  15. Define Calorimetry.

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  16. Name the material used for making a Calorimeter.

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  17. Why is a Calorimeter made up of thin sheets of the above material.

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  19. 104 g of water at 30^@C is taken in a calorimeter made of copper of ma...

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  20. Draw a neat labelled diagram of an A.C. generator.

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