A useful instrument that makes use of the wavelike properties of electrons is the electron ______________
Fill in the blank(s) with correct word
microscope
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A beam of light that is parallel to the principal axis strikes a concave mirror. What happens to the reflected beam of light?
A) It also is parallel to the principal axis. B) It is perpendicular to the principal axis. C) It passes through the center of curvature of the mirror. D) It passes through the focal point of the mirror. E) It passes between the focal point and the center of curvature of the mirror.
The gravitational force between two objects can be described using the equation Fg = G M1 M2 / d2. According to this equation, if the distance between two objects increases, what happens to the gravitational force between them?
A) The force increases. B) The force decreases. C) The force drops instantly to zero. D) The gravitational force is not affected by distance.
How does the Milky Way compare to other spiral galaxies in size?
What will be an ideal response?
Quarks are bound together in hadrons by
a. the strong force. b. the weak force. c. intermediate (or gauge) bosons. d. the color force.