Unit D Module 2, Lesson 3: Wave Phase, Interference, and Standing Waves Lesson 3 of this assignment is worth 8 marks. The value of each question is noted in the left margin in parentheses. 1. Fill in the missing cells of the table. Note: 360 = 2. Degree Value (*) Radian Value 0.Ort 90 1. (3) 270 360 2. (1) 4.5 a) Two waves with equal amplitudes and wavelengths are perfectly in phase. How does the amplitude of their combined waveform compare to the amplitude of their individual waveforms? b) Two waves with equal amplitudes and wavelengths are perfectly out of phase. How does the amplitude of their combined waveform compare to the amplitude of their individual waveforms?