cair1935 cair1935

11-03-2024
Physics

contestada

If Earth receives one-third as much light per unit area per unit time from star A compared to star B, what is the apparent visual magnitude difference between the stars? m_B - mₐ =
(a) 1.58
(b) 2.58
(c) 3.58
(d) 4.58

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