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5 Newtonian world and astrophysics

Quick questions on Stellar evolution and the HR diagram: black-body radiation, Wien and Stefan - OCR A-Level Physics A

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State Wien's displacement law and define its terms. [2 marks]
What is q2?
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A star has a peak wavelength of 2.9×10−7 m2.9 \times 10^{-7}\ \text{m}. Find its surface temperature. Take b=2.9×10−3 m Kb = 2.9 \times 10^{-3}\ \text{m K}.
What is q3?
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State the end point of a low-mass star such as the Sun. [1 mark]

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