... the absence of friction(A) I only(B) II only(C) III only (D) I and II only(E) I, II, and III2. .If a wave has frequency Hz and speed v = 10 0 m/s, what is its wavelength?(A)m(B)m(C)m(D)m(E)m3. ... Questions 1. . Which of the following exhibit simple harmonic motion? I. A pendulum II. A mass attached to a springIII. A ball bouncing up and down, in the absence of friction(A) I only(B) II only(C) ... the liquid substance is 2 .1, while the index of refraction for the gas substance is 1. 2.Total Internal ReflectionThe sine of an angle is always a value between 1 and 1, so for certain values...