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4. True or False. If False, give the correct statement - II

1. Convection is the process by which the thermal energy flows in solids.

Convection is the process by which the thermal energy flows in solids
Convection is the process by which the thermal energy flows in liquids and gases

2. The amount of heat gained by a substance is equal to the product of its mass and latent heat.

The amount of heat gained by a substance is equal to the product of its mass and latent heat
The amount of heat gained by a substance is equal to the ratio of its mass and latent heat

3. In a thermos flask, the silvered walls reflect and radiate the heat outside.

In a thermos flask, the silvered walls reflect radiated heat back to the liquid in the bottle
In a thermos flask, the silvered walls reflect and radiate the heat outside

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