The critical angle for an air-glass interface is 10.9 degrees. A ray in air is incident on the interface. The reflected ray is 100 percent polarized. The angle of refraction is closest to:
A) 10.7
B) 10.1
C) 9.51
D) 8.91
E) 8.31
Question 2
A parallel-plate capacitor, with air between the plates, is connected across a voltage source.
This source establishes a potential difference between the plates by placing charge of magnitude
4.15 x 10-6 C on each plate. The space between the plates is then filled with a dielectric material, with a dielectric constant of 7.74. What must the magnitude of the charge on each capacitor plate now be, to produce the same potential difference between the plates as before?
Critical thinking and delegation
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How to find an angle in radians for any given trigonometric function
Using a magnifying glass
One day, I hope different colleges and universities that online degrees will offer Bachelor of Scien