In forced oscillation of a particle the amplitude is maximum for a frequency ω₂ of the force while the energy is maximum for a frequency ω₂ of the force, then .
A ω₁ < ω₂
B ω₁ < ω₂ when damping is small and ω₁>ω₂ when damping is large
C ω₁ > ω₂
D ω₁ = ω₂