As a transverse wave travels down the rope from the top, the speed of the wave decreases. In a transverse wave, movement occurs at right angles.
<h3>What is a transverse wave?</h3>
A transverse wave can be defined as a type of wave where movement occurs at right angles to the direction of the wave.
Some examples of types of transverse waves include, among others, seismic waves, radio waves, and light waves.
The ripples on the surface of water move at right angles to the direction of the wave, thereby they represent transverse waves.
Learn more about transverse waves here:
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The purpose of an air filter is to purify the air around you removing particles such as dust from the air.
This is called super-saturation
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Atomic emission spectra are like fingerprints for the elements, because it can show the number of orbits in that elements as well as the energy levels of that element. As each emission of atomic spectra is unique, it is the fingerprint of element.
<u>Explanation:
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Each element has unique arrangement of electrons in different energy levels or orbits. So depending upon the difference in energy of the orbital, the emission spectra will be varying for each element. As the binding energy and excitation energy is not common for any two elements, so the spectra obtained when those excited electrons will release energy to ground state will also be unique.
As in atomic emission spectra, the incident light will be absorbed by the electrons of those elements making the electron to excite, then the excited electron will return to ground state on emission of radiation of energy. Thus, this energy of emission is equal to the difference between the energy of initial and final orbital. So the spectra will act like fingerprints for elements.
