A molten metal droplet cools from to while behaving as an ideal blackbody

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

A molten metal droplet cools from 1200 K1200\,\text{K} to 800 K800\,\text{K} while behaving as an ideal blackbody. By what approximate percentage does its peak emission wavelength change during this cooling process? (a) decreases by 33%33\% (b) increases by 40%40\% (c) increases by 50%50\% (d) increases by 33%33\%

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