This article is purely under imagination, but not done under
practice. This is about envisioning on “light absorbs sound”. This topic seems
peculiar but actually it is beyond normal inspection. Taking an instance, “sound
is heard more in the night than in day” should be actually “sound is heard more
in light than dark”. Normally we have understood that it is due to the
refraction, on the night time we hear louder than in the day time. It may only
not be the reason because to prove this fact, day and night are distinguished
by only the thing that night is colder than day. We haven’t further disclosed
the reason behind why sound is heard louder than in the day time.
I have envisage, sound is absorbed
by light. We are familiar with, interference, light superimposes each other forming
several trough and crust overlapping each other and consequently forming
pattern of dark and white fringes. And, same is with sound. But my question is,
is it possible to bring superimposition in light with sound wave? Evidence says
yes it can because both can be considered as wave nature. In wave nature, it
reveals that it acquires medium to travel. If it requires medium, it obviously
conceives disturbance in the particle in the medium and consecutive particles
in the medium help to propagate sound and light energy.
If there are one sound source and
one light source and if they exhibit coherency, it should interfere each other
at several points. Now the points of minimum and maximum intensity are obtained.
During day time due to presence of light, there is interference between light
and sound so some of sound energy is dissipated in the form of heat due to collision
known as interference. But in dark no light cause interference between light
and sound so sound is obviously heard louder.
This theory is not done under practice but conceived from
imagination so it is only an assumption.
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