An ideal air-filled parallel-plate capacitor consists of plates that are 1.0 mm apart and have an area of 1.5 10-4 m2.
The capacitor is connected to a 12-V potential source (battery). (0 = 8.85 10-12 C2/N m2)
(a) What is the capacitance of this capacitor?
(b) How much charge is on each of its plates?
(c) What is the strength of the electric field between the plates?
Question 2
A light beam having a wavelength of 470 nm in air is directed into glycerine at an angle of 75.0 with the normal in air.
Glycerine has a refractive index of 1.47. (c = 3.0 108 m/s)
(a) What are the frequency and wavelength of the light in the glycerine?
(b) What angle does the light beam make with the normal in the glycerine?
Plate XLVII of Animalia Qvadrvpedia et Reptilia (Terra) by Joris Hoefnagel, circa 1575, showing a &q
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