What is the S.I. unit of wavelength?
Wavelength is the distance between two consecutive compressions or rarefactions in a sound wave. The S.I. unit of wavelength(λ) is metre.
Which of the following is sinθ from the unit circle?
What is the value of PB if OP = 1 unit and ∠POQ=θ?
What is/are the unit/units of heat?