A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on the film, an observer finds that the reflected light has a brightness maximum at ? = 450 nm and a brightness minimum at ? = 600 nm. What is the thickness of the oil film?
343.5 nm
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If the potential energy diagram, when shown as a function of the separation of the atoms in the molecule, has a positive slope, then the force between the atoms
A) has the highest possible value. B) is attractive. C) has the lowest possible value. D) is repulsive. E) is none of the above.
The time for one complete cycle of a periodic process to take place is called the __________
Fill in the blank(s) with correct word
Light pollution makes it impossible to see faint objects
Indicate whether the statement is true or false
Constant Angular Acceleration: An old LP record that is originally rotating at 33.3 rad/s is given a uniform angular acceleration of 2.15 rad/s2. Through what angle has the record turned when its angular speed reaches 72.0 rad/s?
A. 83.2 rad B. 316 rad C. 697 rad D. 66.8 rad E. 948 rad