The four wave pulses on the left in the figure below are travelling along stretched ropes toward an end that is either fixed or free. For each incident pulse, select the correct reflection from the options shown on the right. For example, if the reflected pulse for the first pulse is C and f other three pulses, B, then enter CBBB.) A O Free 11) B . Fixed Fixed iii) C. Fixed iv) D. Answer: Submit All Answers Last Answer: DCDB Not yet correct, tries 1/15