If we increased the pressure in the gas of a blackbody, how will the spectral lines be affected?
What will be an ideal response?
The lines will broaden (or even disappear if the density becomes too great).
You might also like to view...
Suppose it is a crescent moon, as seen from Earth. How would Earth appear to someone on the Moon at this time?
A) The side of Earth facing the Moon is completely bright. B) The illumination of the Earth does not change, as viewed from the Moon. C) Half of the side of Earth facing the Moon is bright and half is dark. D) Most of the side of Earth facing the Moon is bright.
If you load up a circuit in your home with too many devices, like lightbulbs or stereos, in ________, then you can overload the circuit and trip a circuit breaker or blow a fuse.
A. duplicate B. series C. parallel D. summer
A 100 kg football linebacker moving at 2 m/s tackles head-on an 80 kg halfback running 3 m/s. Neglecting the effects due to digging in of cleats
A) this is a simple example of an elastic collision. B) the linebacker will drive the halfback backward. C) neither player will drive the other backward. D) the halfback will drive the linebacker backward.
When sunlight illuminates a page from your Conceptual Physics book it
A) reflects most of it. B) absorbs at the text lettering. C) both of these D) neither of these