What Is the Surface Temperature of a Distant Star (Which

question 19

Multiple Choice

What is the surface temperature of a distant star (which emits light as if it were a blackbody) where the peak wavelength is 456 nm? (Hint: The surface of the human body at 35° C has a peak wavelength of 9.41 μm) .(1 nm = 10−⁹ m = 10^-3 μm)

• A) 5100 K
• B) 4510 K
• C) 6040 K
• D) 6360 K

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