Observed temperature fluctuations in the Cosmic Microwave Background Radiation are
A) millions of kelvins.
B) hundreds of kelvins.
C) a few kelvins.
D) tens of millionths of a kelvin.
E) immeasurably small.
D
You might also like to view...
A brass rod is placed between two temperature sources so that heat can flow between them. One temperature is 80
and the other temperature is 20
The length of the rod is 50.0 cm and the cross sectional area is 15.0 cm2 . If the coefficient of thermal conduction for brass is 100 W/m 
then what is the heat flow between the hot temperature and the cold temperature?
A. 7.5 W B. 8.2 W C. 9.4 W D. 12 W E. 18 W
If the universe had ________, that would resolve Olbers' paradox.
A. more electromagnetic radiation than mass B. sources of new matter, like white holes C. an infinite age D. an edge in space E. more mass than electromagnetic radiation
The flash from a camera is an example of a continuous wave
a. True b. False Indicate whether the statement is true or false
The discoverer of radium was
A) Max Planck. B) Enrico Fermi. C) J. Robert Oppenheimer. D) Marie Curie. E) Lise Meitner.