Match the following phrases with the most appropriate choice below. Note that not all phrases will be used. transverse wave normal refraction constructive interference wave ray 1. particles in the medium move perpendicular to the energy propagation direction 2. indicates the direction of energy transmission 3. red light bends least due to this phenomenon 4. violet light bends least due to this phenomenon 5. reference line drawn perpendicular to a surface 6. resultant waveform amplitude is larger (also called a maximum) 7. resultant waveform amplitude is zero (also called a minimum) 8. leading edge of a continuous crest or trough 9. particles in the medium move parallel to the energy propagation direction well supported by both the wave and particle theory of light