The splitting of spectral lines in the presence of strong magnetic fields is the:
A) Doppler effect.
B) Second Law of Kirchhoff.
C) Zeeman effect.
D) photoelectric effect.
E) polarization of sunlight.
C
You might also like to view...
Incompressible water flows out of a large reservoir through a pipe that opens to the atmosphere 5.70 m below the level of the water in the reservoir. What is the speed of the water as it comes out of the pipe?
A) 1.72 m/s B) 7.47 m/s C) 55.8 m/s D) 10.6 m/s E) 27.9 m/s
What happens to the surface temperature and luminosity when a protostar radiatively contracts?
A) Its surface temperature and luminosity increase. B) Its surface temperature remains the same and its luminosity decreases. C) Its surface temperature and luminosity decrease. D) Its surface temperature decreases and its luminosity increases. E) Its surface temperature and luminosity remain the same.
No matter where you live on Earth, the Sun is always directly overhead at noon
Indicate whether the statement is true or false
A piece of wood is floating in a bathtub. A second piece of wood sits on top of the first piece, and does not touch the water. If the top piece is taken off and placed in the water, what happens to the water level in the tub?
A) It goes up. B) It goes down. C) It does not change. D) It cannot be determined without knowing the volumes of the two pieces of wood.