Science · Grades 11–12
Waves & sound · Formula sheet
Rules, conditions and small examples in one printable reference.
Remember this
Wave speed
Frequency is cycles per second; wavelength is the distance per cycle.
v = fλ
41 × 10 = 410
Frequency and period
Period is the time for one complete cycle.
T = 1/f, f > 0
T = 1/134 s
Further reading and review references
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.