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SIMPLE HARMONIC MOTION & WAVES
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Define restoring force.
Define restoring force.
A force that tends to bring an object back to its equilibrium position.
What is meant by displaced pendulum?
What is meant by displaced pendulum?
A displaced pendulum refers to a pendulum that is no longer at its equilibrium point. The displacement of the pendulum is the distance from its equilibrium point.
What is time period (T)?
What is time period (T)?
The time period required to complete one oscillation.
What are damped oscillations ?
What are damped oscillations ?
Damped oscillations occur when there is any effect present that tends to reduce the amplitude of vibrations.
What ae undamped osscilations ?
What ae undamped osscilations ?
Undamped oscillations occur when there is no effect that tends to reduce the amplitude of vibrations.
Define diffraction.
Define diffraction.
The bending of waves around corners of an obstacle is called diffraction.
Define spherical waves.
Define spherical waves.
Spherical waves are waves that spread out from a point source in all directions forming wavefronts that look like expanding spheres.
Define plane waves.
Define plane waves.
Plane waves are waves that are far from the source and have almost lost their curvature .
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