Waves Class 11 CBSE Revision Notes
This article deals with waves class 11 notes. One should wonder what happens in a system that is a collection of objects that oscillate in isolation. A material medium can certainly provide such an example. Furthermore, elastic forces bind constituents to each other. Consequently, the motion of one affects the other.
If someone drops a pebble in a pond of still water, then certainly there would be a disturbance. Furthermore, the confinement of the disturbance is not to one place. Most noteworthy, the disturbance propagates outside along a circle. Consequently, if one keeps on dropping pebbles in the water, then circles would rapidly move outward from the point of disturbance.
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Sub-topics covered under Waves
- Types of Waves– There are three major types of waves.
- Transverse and Longitudinal Waves– In a transverse wave, particle motion is perpendicular to wave motion while in a longitudinal wave, the medium’s particle moves in a direction parallel to the direction that the wave moves.
- Displacement Relationship in a Progressive Wave– Progressive wave is the one that travels from point A to point B in a particular medium
- Reflection of Sound Waves– Sound travels in the form of a wave which is a sound wave.
- Doppler Effect– This takes place when a wave’s frequency changes when the movement of an observer is relative to the wave source.
- Beats– Beats refer to a sensation that results from fluctuating sound.
- Reflection of String Waves– This refers to the tendency of a wave to reflect after a certain collision.
- The Principle of Superposition of Waves– This principle states that when two or more waves overlap in space, then the disturbance which results is equal to the algebraic sum of the individual disturbances.
- The Speed of a Traveling Wave– This part certainly deals with measuring the speed of a traveling wave.
You can download CBSE Class 11 Physics Chapter 15 Waves Revision Notes by clicking on the download button below
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