Which of the following formulas correspond to the law of reflection? θ'1=θ1 true θ1=θ2 false θ1=θ22 false n2 sin θ2 = n1 sin θ1 false Single Which of the following formulas correspond to the law of refraction? θ'1=θ1 false n2 cos θ2 = n1 cos θ1 false n2 sin θ1 = n1 sin θ2 false n2 sin θ2 = n1 sin θ1 true Single The principle of least time is also called? Huygen's principle false Fermat's principle true Archimedes' principle false Principle of Superposition false Single When incident light strikes an interface between two mediums along a certain angle, it will not become refracted. This phenomenon is called? Law of reflection false Rarefaction false Total Internal Reflection true Destructive Interference false Single The Law of refraction is sometimes named after: Willebrord Snellius true Roger Bacon false Christiaan Huygens false Pierre de Fermat false Single Which of the following materials are used as cladding in fiber optic cables? water false wax true starch false air false Single The angle of incidence and angle of reflection are both measured with respect to: each other false the angle of refraction false the plane of incidence false the normal line true Single Which formula should you use to obtain the critical angle at which total internal reflection would occur? sin-1 (n2/n1) true sin-1 (n1/n2) false sin (n2/n1) false sin-1 (n1n2) false Single Which of the following is the reason why broadband WiFi relies on optic fiber instead of copper wires for transmitting information? optic fiber can be positioned in the seabed without corroding false optic fiber can behave as a superconductor false optic fiber does not allow electronic signals to leak false light moves much faster than an electrical current true Single If you were to fish by using a spear, where should you aim to actually strike a fish? Strike exactly where you see the fish false Shoot a little above its head false Aim below the fish true Depends on the altitude of the Sun false Single