Wien's Law: What is the frequency of the most intense radiation from an object with temperature 100°C? The constant in Wien's law is 0.0029 m ? K. (c = 3.0 × 108 m/s)

A. 2.9 × 10-5 Hz
B. 3.9 × 1013 Hz
C. 1.0 × 1013 Hz
D. 1.0 × 1011 Hz


Answer: B

Physics & Space Science

You might also like to view...

At midnight, on a clear and moonless night, the number of stars that are distinctly visible to the eye is in the range

A) 2000-5000. B) 20,000-50,000. C) 200,000-500,000. D) 2 million-5 million.

Physics & Space Science

Asian astronomers ________.

A. devised ways to predict eclipses B. recorded the existence of sunspots C. kept detailed records of unusual celestial events D. All of these choices are correct.

Physics & Space Science

Due to the presence of ice crystals in nearly frozen liquid water, the density of water is

A) lower. B) unaffected. C) higher.

Physics & Space Science

Which approach is currently proving to be the most promising way of determining how life on Earth originated?

A) studies of Martian meteorites B) studies of organisms living around deep-sea ocean vents C) studies of the fossil record D) laboratory simulations of conditions present on the early Earth

Physics & Space Science