Question 1
Which of the following wavelengths could NOT be present as a standing wave in a 2 m long organ pipe open at both ends?
◦ 4 m
◦ 2 m
◦ 1 m
◦ 0.89 m
◦ 0.5 m
Question 2
A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (αGOLD = 1.42 × 10−5/°C)