The de Broglie wavelength of which of the following objects would be smallest if the objects had the same momentum? a. Electron
b. Proton
c. Tennis Ball
d. Bowling Ball
e. All the same wavelength.

Most energy in an ecosystem comes originally from_

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Select the correct answer. what does the process of natural selection involve?