This product contains 14 pages of closed and open air column short answer questions, from the waves unit of grade 11 physics. The topics include: open air columns, closed air columns, air column theory, air column calculations, calculating resonant frequencies, calculating resonant lengths, calculating fundamental frequency, resonance in air columns, sound waves, nodes, antinodes, resonance and harmonics in air columns. These physics short answer questions are in Microsoft word format, so the