A parallel beam of light in air makes an angle of 47.5 with the surface of a glass plate having a refractive index of 1.66. (a) What is the angle between the reflected part of the beam and the surface of the glass? (b) What is the angle between the refracted beam and the surface of the glass?
● Overview of the Cosmological Argument: ○ While the ontological argument is a priori (independent of experience), the cosmological argument is a poste riori (takes personal experience into account). It claims that the observable world is ultimately explained by something transcendent: God. ○ Modal Terms: ■ Necessary thing: one whose nonexistence is impossible ■ Contingent thing: one whose existence a nd nonexistence are possible/impossible. ■ Possible thing: one whose existence is either certain or possible. ■ Impossible thing: one whose existence is impossible the opposite of a necessary thing. ■ Philosophe