Question

`what do you mean by resonant oscillations `​

Answer 1

When you drive the ball at its natural frequency, the ball's oscillations increase in amplitude with each oscillation for as long as you drive it. The phenomenon of driving a system with a frequency equal to its natural frequency is called resonance. A system being driven at its natural frequency is said to resonate.

Answer 2

Answer:

• The Phenomenon of increase in amplitude when driving force is close to the natural frequency of the oscillator is called resonance.
• If an external force with angular frequency ωd acts on an oscillating system with natural angular frequency ω, the system oscillates with angular frequency ωd.