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recall how newton's investigation of light followed one form of the scientific method. naturally statements about new things experiment with these steps in the scientific method.
1. make an observation.
2. construct a hypothesis.
3. test the hypothesis with an investigation.
4. analyze the data.
5. explain the results.
a. white light becomes a spectrum of 7 colored lights after passing through a prism.
b. a single color if light will not change when it passes through a prism.
c. when the red light goes through a second prism, it's color does not change.
d. the colors in a spectrum are part of white light, and the prism separates them.
e. white light passes through a prism. a slit is used to direct only the red light through a second prism.

Consider the particle-in-a-box problem in 1d. a particle with mass m is confined to move freely between two hard walls situated at x = 0 and x = l. the potential energy function is given as (a) describe the boundary conditions that must be satisfied by the wavefunctions ψ(x) (such as energy eigenfunctions). (b) solve the schr¨odinger’s equation and by using the boundary conditions of part (a) find all energy eigenfunctions, ψn(x), and the corresponding energies, en. (c) what are the allowed values of the quantum number n above? how did you decide on that? (d) what is the de broglie wavelength for the ground state? (e) sketch a plot of the lowest 3 levels’ wavefunctions (ψn(x) vs x). don’t forget to mark the positions of the walls on the graphs. (f) in a transition between the energy levels above, which transition produces the longest wavelength λ for the emitted photon? what is the corresponding wavele

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?