A coating is being applied to reduce the reflectivity of a pane of glass to light with a frequency of 5.75 × 1014 Hz that is incident normally on the pane
If the material has an index of refraction of 1.375 and the glass has an index of refraction of 1.537, what is the minimum thickness the coating should have? (c = 3.00 × 108 m/s)
A) 60.0 nm B) 80.1 nm C) 65.2 nm D) 145 nm E) 94.9 nm
E
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The ? ring eccentricity seems to be caused by the eccentric orbits of Ophelia and Cordelia around Jupiter
a. True b. False Indicate whether the statement is true or false
A ball bearing rolls along a smooth horizontal tabletop, and crashes head-on into a second ball bearing of half its mass. If both ball bearings roll in the x-direction only (either positive or negative) and the initially stationary ball bearing is observed to have a velocity of +2.4 m/s after the collision, what was the initial speed of the first ball bearing?
A. More information is required B. 7.2 m/s C. 3.6 m/s D. 1.8 m/s
When the engine of your car heats up, the spark plug gap will
A) increase. B) decrease. C) remain unchanged. D) decrease at first and then increase later, so that the two effects cancel once the engine reaches operating temperature.
Give three examples of the equilibrium rule that are not cited in the textbook
Fill in the blank with correct word.