Periodic motion - period, frequency, displacement as a function of time. OSCILLATIONS AND WAVES
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Periodic motion - period, frequency,
displacement as a function of time. Periodic
functions. Simple harmonic motion
(S.H.M.) and its equation; phase:
oscillations of a spring -restoring force and
force constant: energy in S.H.M. - Kinetic
and potential energies; Simple pendulum -
derivation of expression for its time period:
Free, forced and damped oscillations,
resonance.
Wave motion. Longitudinal and transverse
waves, speed of a wave. Displacement
relation for a progressive wave. Principle of
superposition of waves, a reflection of
waves. Standing waves in strings and organ OSCILLATIONS AND WAVES
pipes, fundamental mode and harmonics.
Beats. Doppler Effect in soun