Subsection 2.3.2. Convection for Physics, IGCSE - revisedeck

2.3.2. Convection

A subsection of Physics, 0625, through 2. Thermal physics

Listing 10 of 34 questions

One method of heat transfer involves the energy travelling at a much greater speed than in other methods. What is the name of this method?

0625_s15_qp_13

MCQ

2015

Paper 1, Variant 3

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A liquid is heated in a beaker. heating liquid The density of the liquid changes as its temperature increases. This causes energy to be transferred throughout the liquid. How does the density change and what is this energy transfer process?

0625_s16_qp_11

MCQ

2016

Paper 1, Variant 1

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A liquid is heated in a beaker. heating liquid The density of the liquid changes as its temperature increases. This causes energy to be transferred throughout the liquid. How does the density change and what is this energy transfer process?

0625_s16_qp_21

MCQ

2016

Paper 2, Variant 1

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A liquid is heated and it expands. How does this lead to the formation of a convection current?

0625_s18_qp_11

MCQ

2018

Paper 1, Variant 1

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A room is heated by a radiator. The diagrams X and Y show two possible circulations of hot air, which heat the room. diagram X radiator diagram Y radiator ceiling floor ceiling floor Which diagram and reason explain the heating of the room by convection?

0625_s20_qp_12

MCQ

2020

Paper 1, Variant 2

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The diagram shows a vacuum flask used to keep a liquid warm. airtight lid outer cover vacuum silvered walls Which methods of heat loss are reduced by the vacuum between the silvered walls?

0625_s20_qp_13

MCQ

2020

Paper 1, Variant 3

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A room is heated by a radiator. The diagrams X and Y show two possible circulations of hot air, which heat the room. diagram X radiator diagram Y radiator ceiling floor ceiling floor Which diagram and reason explain the heating of the room by convection?

0625_s20_qp_22

MCQ

2020

Paper 2, Variant 2

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The diagram shows a vacuum flask used to keep a liquid warm. airtight lid outer cover vacuum silvered walls Which methods of heat loss are reduced by the vacuum between the silvered walls?

0625_s20_qp_23

MCQ

2020

Paper 2, Variant 3

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In which substances is convection a method of thermal energy transfer?

0625_s21_qp_11

MCQ

2021

Paper 1, Variant 1

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In which states of matter is convection an important method of thermal transfer?

0625_s21_qp_13

MCQ

2021

Paper 1, Variant 3

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Questions Discovered

34