To create the above spectra, which of the following is NOT true?
a. Light from a blackbody passed though a cool, low-density gas.
b. Light from a continuous spectrum passed through a cool, low-density gas.
c. Light from a hot, dense gas produced light at all wavelengths.
d. All of the other choices are not true.
D
You might also like to view...
A spring is stretched from its equilibrium position 10 cm when a 1 kg mass is attached to it. Removing the 1 kg mass and replacing it with a 0.50 kg mass then releasing the spring, how high will the 0.50 kg mass rise above the point where it is released?
A. 0.44 m B. 0.24 m C. 0.80 m D. 1.0 m
Two important properties of young neutron stars are:
A) extremely slow rotation and a strong magnetic field. B) extremely rapid rotation and a weak magnetic field. C) extremely rapid rotation and a strong magnetic field. D) no rotation and a weak magnetic field. E) no rotation and no magnetic field.
The air in a tube open at both ends is sent into its fundamental resonance. One end of the tube is then closed and the air column is again set into its fundamental resonance. The resonant frequency ____ after the end is closed
a. halves b. stays the same c. doubles d. increases by a factor of 1.4
With what color light would you expect to be able to see the finest detail when using a microscope?
A) red, because of its long wavelength B) yellow, because of its intermediate wavelength C) blue, because of its shorter wavelength D) The color does not matter.