Q1. The length of an air column that produces a strong resonance in a cylinder is 0.18m, what is the frequency of the tuning fork being used?
Q2. Find the wavelengths in vacuum for (a) blue light whose frequency is 6.34 x 1014 Hz, and (b) orange light whose frequency is 4.95 X 1014 Hz. State the answers in nanometers (l 11m = 10-9 m).