The document discusses how rainbows are formed. Rainbows are an optical phenomenon that occurs naturally in the Earth's atmosphere when sunlight interacts with water droplets, typically in the sky after it rains. The colors of the rainbow - red, orange, yellow, green, blue, indigo, and violet - correspond to the different wavelengths of light. Red appears outermost in the rainbow because it has the longest wavelength. A rainbow forms when sunlight enters and reflects off the inside surfaces of raindrops, undergoing one internal reflection and refracting at two surfaces before leaving the raindrop and reaching the observer's eye.
Maybe sometimes we was looking a beautiful rainbow in the sky and surely there was someone who think about how rainbow is formed. In this presentation, we will know it could happened in the sky. Let's check it out!
Maybe sometimes we was looking a beautiful rainbow in the sky and surely there was someone who think about how rainbow is formed. In this presentation, we will know it could happened in the sky. Let's check it out!
in this ppt there is info about atmospheric refraction.info about scattering of light, rainbow formation, twinkling of stars, cause of refraction of light,laws of refraction, why the sky is blue, why the sun appears red at sunrise and at sunset, why clouds appear white are also given.
The Solar System is composed of the Sun and the celestial objects which are gravitationally bound to it: planets, moons, dwarf planets and their four known moons, asteroids, meteoroids, comets, and interplanetary dust.
in this ppt there is info about atmospheric refraction.info about scattering of light, rainbow formation, twinkling of stars, cause of refraction of light,laws of refraction, why the sky is blue, why the sun appears red at sunrise and at sunset, why clouds appear white are also given.
The Solar System is composed of the Sun and the celestial objects which are gravitationally bound to it: planets, moons, dwarf planets and their four known moons, asteroids, meteoroids, comets, and interplanetary dust.
Slide that I created to support teaching science to my lower secondary student (Grade 7). The topic is Ray Model of Light. Some contents (pics and videos) are not mine. Hope it is useful for all teacher around the globe.
In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. ... Like all types of EM radiation, visible light propagates as waves. However, the energy imparted by the waves is absorbed at single locations the way particles are absorbed.
If I have an orange shirt Explain in physics terms what happens when .pdfinfo785431
If I have an orange shirt Explain in physics terms what happens when light hits shirt to make me
see it as orange? Why is sky red at sunset? why is sky blue? What causes thio?
Solution
Q1. We can see an object when the object reflects light from it. Light is made of different colors
(different wavelength). So when an object reflects a particular color we see the the reflection and
it appears that the object has that particulr colos. So a orange shirt reflects only the orange light
and absorbs any other colors that is why it looks orange.
Q2. The interaction of sunlight with matter can result in one of three wave behaviors: absorption,
transmission, and reflection. The atmosphere is a gaseous sea that contains a variety of types of
particles; the two most common types of matter present in the atmosphere are gaseous nitrogen
and oxygen. These particles are most effective in scattering the higher frequency and shorter
wavelength portions of the visible light spectrum. This scattering process involves the absorption
of a light wave by an atom followed by reemission of a light wave in a variety of directions. The
amount of multidirectional scattering that occurs is dependent upon the frequency of the light.
Atmospheric nitrogen and oxygen scatter violet light most easily, followed by blue light, green
light, etc. So as white light (ROYGBIV) from the sun passes through our atmosphere, the high
frequencies (BIV) become scattered by atmospheric particles while the lower frequencies (ROY)
are most likely to pass through the atmosphere without a significant alteration in their direction.
This scattering of the higher frequencies of light illuminates the skies with light on the BIV end
of the visible spectrum. Compared to blue light, violet light is most easily scattered by
atmospheric particles. However, our eyes are more sensitive to light with blue frequencies. Thus,
we view the skies as being blue in color.
Meanwhile, the light that is not scattered is able to pass through our atmosphere and reach our
eyes in a rather non-interrupted path. The lower frequencies of sunlight (ROY) tend to reach our
eyes as we sight directly at the sun during midday. While sunlight consists of the entire range of
frequencies of visible light, not all frequencies are equally intense. In fact, sunlight tends to be
most rich with yellow light frequencies. For these reasons, the sun appears yellow during midday
due to the direct passage of dominant amounts of yellow frequencies through our atmosphere and
to our eyes. As the sun approaches the horizon line, sunlight must traverse a greater distance
through our atmosphere. As the path that sunlight takes through our atmosphere increases in
length, ROYGBIV encounters more and more atmospheric particles. This results in the scattering
of greater and greater amounts of yellow light. During sunset hours, the light passing through our
atmosphere to our eyes tends to be most concentrated with red and orange frequencies of light.
F.
In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. ... Like all types of EM radiation, visible light propagates as waves. However, the energy imparted by the waves is absorbed at single locations the way particles are absorbed.
The Physics of Light, ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
Uauauajaj I think I need to get you now I think 💞 I can help you out ❤️ I will let sisiisisisisissi the same time different than the other gc's I think 🤔🤔🤔🧐 the same time to go to the said meeting tomorrow at all times and I can get it to me on Monday ni sir kim I will get you some programs in the us that we can go for the next two weeks now I have a few extra hours of sleep and I have some stuff and then I mention that I can do to the body is a little bit of the Filipino people are going to be able it to the office 😜🙂🙂🙂🙂🙂 the morning I have some programs in the us that we are in our prayers I can
Environmental topics;
Water contamination
Dubai faces environmental problems
Global warming effect on water scarcity and agricultural land in the gulf region
Industrial development and its effect on the environment
Ecological foot print in the gulf area
Energy consumption in the gulf region and its effect on the environment
Climate change, Threat and opportunity and GCC countries
Environmental impact of sea water desalination in the Arabian gulf
Water issues in the gulf
Sustainable development challenge in the Arab states
Water crises at GCC
Environmental conservation at gulf countries
Oil spell effect in the region
Social issues in the region
Environmental impact of tourism in the gulf region
Role of environmental education and awareness
Desertification in the gulf area
Air quality and air pollution
Oil pollution and its environmental impact in the Arabian gulf
Environmental assessment of 1991 gulf ware
Environmental effect of oil drilling
Environmental risk to public health
Energy policies in the gulf region
And any other environmental issue
Blue Skies, White Clouds and Rainbows
When you were young, did you ever look at the sky and wonder why it’s blue and not your favorite color like pink? And if you were able to fly that you would just sit on a cloud and wondered what it would feel like? It turns out, it wasn’t just randomly chosen but is blue for a reason. When the sun shines, there is light reflected in different direction, which come in contact with dust and other particles kind of like scattered sunlight. As a gas molecule is hit, most of the blue light bounces off in all directions while red orange, and yellow light might just pass through.
A lot of the sky is composed of violet but our eyes are not that sensitive to that color, so it appears blue. If the sky were examined with a spectrometer, you would notice the broadband of colors. There is blue light everywhere overhead and when that light then reaches your eyes; you see it everywhere above, making the sky appear blue. The sky might reveal two different colors of blue. The blue color gets lighter towards the horizon than the blue that you see when looking straight up to the sky. This is because we have many different particles in our atmosphere and when these particles are the same or even larger than the wavelength of the light that is already being reflected, a different scattering happens. These particles can be washed out by rain so the sky might be a darker blue following a rainstorm.
If there weren’t an atmosphere, the sky would appear black. Even at night the sky has a slight color. This can be from light sources in areas that get in the way of being able to see some of the starts and even planets. When someone is on the moon looking at earth, the sky is black because there is no atmosphere. When it is sunlight, the particles in the atmosphere are larger making it a short distance to get to your eyes but when it comes to sunset, the rays have much further to ...
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3. Rainbow is one of optic phenomena that happens in the
atmosphere of the earth naturally. We can see it at mountin range,
or when it is cloudy, or when it is raining and rising of sun. We have to
be the other side for looking. We just can see it a half of circle form, but
acctually the rainbow is a circle form. We can see it perfectly, if it is seen
by standing in the high place. It is real that rainbow is a circle form not
like parabola form.
Red colour is more dominant than another colour caused by
having biggest wave between others. Therefore the red colour is in the
highest order and purple colour is in lowest order. How rainbow is
formed? Try to watch it when light of sun concerns a 90-degree angle
mirror or a glass prism side, or surface of soap foam. We can see colours
on the light. The light is rayyed to be some wave lenght of light that it is
seen by our eyes as red, orange, yellow, green, blue, indigo and purple.
These colours are components of light that they are called visible light.
The other component is invisible light such as infrared (red is in the right
side), and ultraviolet (bright red is in the left side).
So, we can see the beautiful rainbow because there are some
processes to be beautiful rainbow that it appears in the sky.
4. Find out:
1. What does the text tell you ?
The text tell us about how ranbow is formed
2. What is rainbow ?
Rainbow is one of optic phenomena that happens in the
atmosphere of the earth naturally.
3. How we can see the rainbow perfectly ?
We can see it perfectly, if it is seen by standing in the
high place.
5. 4. Why red colour in the rainbow is dominant ?
Red colour is more dominant than another colour caused by
having biggest wave between others. Therefore the red colour
is in the highest order and purple colour is in lowest order.
5. How rainbow is formed ?
when light of sun concerns a 90-degree angle mirror or a glass
prism side, or surface of soap foam. We can see colours on the
light. The light is rayyed to be some wave lenght of light that it
is seen by our eyes as red, orange, yellow, green, blue, indigo
and purple. These colours are components of light that they are
called visible light. The other component is invisible light such as
infrared (red is in the right side), and ultraviolet (bright red is in
the left side).
6. 6. We can see it perfectly, if it is seen by
standing in the high place. In underlined refers
to ?
“it” refers to rainbow
7. How many colours can we see at the rainbow
? What are they ?
There are Seven colours. They are red, orange, yellow, green,
blue, indigo and purple
