Waves begin to break when their wave steepness, defined as the ratio between wave height and wave length, is greater than _____. Question 2: Break Point - The Wave's Tipping Scale! When does a wave decide it's time to crash the party? Hint: It's all about steepness! Waves begin to break when their wave steepness, defined as the ratio between wave height and wave length, is greater than _____. 1/2 1/7 1/5 1/3 1/9