3. A helium laser emits light with a wavelength of 6.33 x 10^-7m. What is the frequency of the light? *
2.11 X10^15 Hz
O 4.74 x 10^14 Hz
O 18.99 Hz
N

In which phase(s) do the molecules take the shape of the container?

Why doesn't heat added to water make the tempature rise above 100c

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.