How was the Sun formed? A. From dust and gas pulled together by gravity leading to a fission reaction. B. From dust and gas pulled together by gravity leading to a fusion reaction. B. From dust and gas pushed together by gravity leading to a fission reaction. C. From dust and gas pushed together by gravity leading to a fusion reaction.

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How was the Sun formed? A - OCR Gateway - GCSE Physics - Question 7 - 2021 - Paper 4

Question 7

How was the Sun formed? A. From dust and gas pulled together by gravity leading to a fission reaction. B. From dust and gas pulled together by gravity leading to a... show full transcript

Worked Solution & Example Answer:How was the Sun formed? A - OCR Gateway - GCSE Physics - Question 7 - 2021 - Paper 4

Step 1

A. From dust and gas pulled together by gravity leading to a fission reaction.

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Answer

This option is incorrect as the Sun's formation does not involve fission reactions.

Step 2

B. From dust and gas pulled together by gravity leading to a fusion reaction.

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Answer

This option correctly describes the process where dust and gas (mainly hydrogen) are pulled together by gravity, leading to nuclear fusion in the core, which is essential for the Sun's formation.

Step 3

B. From dust and gas pushed together by gravity leading to a fission reaction.

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Answer

This option is incorrect as it mentions fission, which is not the process responsible for the Sun's formation.

Step 4

C. From dust and gas pushed together by gravity leading to a fusion reaction.

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Answer

This option is partially correct but misleading as it suggests 'pushed together' rather than 'pulled together,' which is the correct description of the gravitational collapse that leads to fusion.

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How was the Sun formed? A - OCR Gateway - GCSE Physics - Question 7 - 2021 - Paper 4

Worked Solution & Example Answer:How was the Sun formed? A - OCR Gateway - GCSE Physics - Question 7 - 2021 - Paper 4

A. From dust and gas pulled together by gravity leading to a fission reaction.

B. From dust and gas pulled together by gravity leading to a fusion reaction.

B. From dust and gas pushed together by gravity leading to a fission reaction.

C. From dust and gas pushed together by gravity leading to a fusion reaction.

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