Hans Geiger
A) invented the bubble chamber.
B) discovered radium and polonium.
C) invented the particle detector tube.
D) observed back-scattering from nuclei.
E) discovered radioactivity.
C
You might also like to view...
What type of galaxy has a mix of young and old stars, an abundant amount of gas and dust, ongoing star formation, and a definitive shape?
A. elliptical galaxies B. irregular galaxies C. spiral galaxies D. All types of galaxies share these features
Pitch corresponds to
1) frequency, 2) noise, 3) loudness, whereas amplitude corresponds to 4) frequency. 5) noise. 6) loudness.
Based on the graph above, a planet with twice the mass of Jupiter would have a radius that is
A) about twice the radius of Jupiter. B) about 5% larger than the radius of Jupiter. C) about half the radius of Jupiter. D) about 10% smaller than the radius of Jupiter.
If you wanted to observe stars behind a molecular cloud, in what wavelength of light would you most likely observe?
A) ultraviolet B) visible C) infrared D) X-ray E) gamma-ray