The light from florescent-lights, when analyzed in a spectrometer, exhibit the same lines in the yellow, green, and blue spectral regions. This is evidence that
A) fluorescent lights contains fluorine gas
B) Air is present in all fluorescent lights
C) there are no gases present in fluorescent lights
D) The same element is present in all fluorescent lights
E) different elements are present in each fluorescent light
Answers: 1
Physics, 22.06.2019 04:00, zoepatterson1p0lij1
When an object is heated it contracts. a. true b. false
Answers: 2
Physics, 22.06.2019 20:10, haza1873
Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
Answers: 1
The light from florescent-lights, when analyzed in a spectrometer, exhibit the same lines in the yel...