Our bodies, at 37.°C, emit radiation which peaks at what wavelength?
What will be an ideal response?
9.4 ?m
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About 90% of UFO sightings
A) are hoaxes B) cannot be explained C) are real sightings of alien craft D) can be explained by natural phenomena
Another term for hero image is background image.
Answer the following statement true (T) or false (F)
The gravitational force, the electromagnetic force, and the strong nuclear force are ______ range,_______ range, and _______ range, respectively.
A. short, long, long B. short, short, long C. short, short, short D. long, short, short E. long, long, short
24.0 moles of a diatomic ideal gas with a molar specific heat 5R/2 is heated from 20.0°C to 100°C. What is the change in entropy of the gas?
A) -0.365 J/K B) 0.365 J/K C) 802 J/K D) -19.9 J/K E) 120 J/K