Rarefaction occurs only in a longitudinal wave.
A light beam refracts whenever it reaches an angled material with a different refractive index. A change in direction results from this acceleration. As an example, consider air entering the water. The speed of the light decreases as it continues to travel at a changingangle.
Transverse waves do not experience rarefaction, which is a phenomenon that only happens in longitudinal waves.
This is due to the fact that longitudinal waves cause the medium through which they travel to be compressed and rarefied.
Transversewaves, however, feature oscillations that are parallel to the direction of the wave.
With a longitudinal wave, the medium's particles are moved along with the wave in the same direction.
Both zones of compression and rarefaction result from this, with the former having the particles closer together than they would be in their equilibrium state.
The wave is produced by the pattern of compression and rarefaction.
Due to the displacement of the medium's particles in the same direction as the wave's propagation, rarefaction only happens in longitudinal waves, where it results in places where the particle spacing is greater than it would be in the equilibrium state.
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The correct answer to the question is : B) Longitudinal wave.
EXPLANATION:
Before coming into any conclusion, first we have to understand the nature of sound wave.
The sound wave is a longitudinal wave in which the direction of vibration of particles are parallel to the direction of wave propagation.
In this type of wave, one will find compression and rarefaction. Compression is the high pressure region in which the particles are closely aggregated to each other.
Rarefaction is the low pressure region in which the particles are far away from each other. There is large separation between particles as compared to compression.
Hence, the correct answer is sound wave.
I could tell you the energy if you can tell me the acceleration and height above earth's surface.
Answer:
A penny
Explanation:
B-rhe energy of the wave increases gradually
C-there is no change in the energy of the wave
D-the propagation of the wave stops immediately
Answer:
A-the energy of the wave decreases gradually
Explanation:
when a wave is acted upon by an external damping force the energy of the wave decreases gradually.
The energy degrades into the form of heat which is considered to be of less value and use. The reason is because it disperses and spreads more widely.
So therefore it end up as heat with a little sound but that is close to none because that too disperses into heat i.e. decreased form of energy.
Answer:
A
Explanation:
PLATO
b. mass
c. energy
d. volume
The best description of the 'ability to do work' is 'energy'. This concept explains the capacity an object has to perform action and can be illustrated by different forms of energy like potential or kinetic.
The ability to do work is best described by c. energy. In physics, energy is the capacity to do work. Objects can hold this ability until it's converted into action, like lifting a box or lighting a bulb. This concept applies to various forms of energy such as potential energy, kinetic energy, and more. For example, a boulder at the top of a hill has potential energy due to its position, which can be converted into kinetic energy (work) as it rolls down.
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Answer: Microwaves
Explanation:
RADAR stands for radio detection and ranging. Radio waves range from 300 GHz to 30 Hz. Modern radar uses higher frequency of waves for detection. These waves are microwaves (300 MHz-300 GHz). Microwaves are types of radio waves and are used in the radar detection.
The electromagnetic wave which has highest frequency is gamma wave but it is not used for radar detection.
Hence, the correct answer is microwaves are the type pf radio waves which have the highest frequency and are used in radar detection.