4 (a) The Sun has a mass of 2.0 x 10^30 kg - Edexcel - GCSE Physics - Question 4 - 2020 - Paper 1
Question 4
4 (a) The Sun has a mass of 2.0 x 10^30 kg.
A white dwarf has a mass of 3.4 x 10^29 kg.
Calculate the value of
mass of this white dwarf
mass of the Sun
(2)
(b) Fig... show full transcript
Worked Solution & Example Answer:4 (a) The Sun has a mass of 2.0 x 10^30 kg - Edexcel - GCSE Physics - Question 4 - 2020 - Paper 1
Step 1
Calculate the value of mass of this white dwarf mass of the Sun
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Answer
To find the mass of the white dwarf compared to the mass of the Sun, use the formula:
rac{mass ext{ of white dwarf}}{mass ext{ of the Sun}} = rac{3.4 imes 10^{29} ext{ kg}}{2.0 imes 10^{30} ext{ kg}}
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Answer
To estimate the temperature of the Sun from the diagram provided in Figure 4, the temperature can be approximated to be between 5500 K and 7500 K based on its position relative to other stars.
