MCQs: The proportion of heat loss through walls is
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MCQs: The excess warming of earth due to greenhouse stimulator is called
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MCQs: The hotter the object,
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MCQs: The good conduction of heat by metals is due to
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MCQs: If air is heated, it
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MCQs: The circulating movement of air is known as
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MCQs: To prevent loss of heat through walls, the walls must be
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MCQs: If a radiator is installed in a room, it warms air by the process of
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MCQs: The warm air rises from the
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MCQs: When hot air rises
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MCQs: Light, radiant heat and radio waves travel at the same rate because they are
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MCQs: The glass walls help to resist the transfer of heat by
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MCQs: Comparing hot water bath and horse shoe, more heat is present in
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MCQs: 'Thermos' keeps
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MCQs: The wind systems are created due to the change in
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MCQs: Heat from the sun comes in the form of radiations. These radiations are known as
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MCQs: When the solar eclipse occurs
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MCQs: All heat 'insulators' are
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MCQs: The heart is also called
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MCQs: The walls of left ventricle are thicker than the walls of right ventricle because
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