Environmental Sciences, 18.10.2019 06:00, vaibhavKhatri

How was the formation of the sky? what actually happened?

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The correct answer was given: Vsinghvi

The 'sky' which u are describing is nothing but the blue colour which is caused due to molecules in the air which scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight. In Venus, there exists a pink sky and in other planets other colours. The presence of air also makes us feel that there is a 'sky' in the atmosphere. If there were no gases, then the sky would always be filled with starts like that of the night sky. gases evolved from the formation of earth accumulated around and caused the effect in the sky.

The correct answer was given: mathmatics9898

answer:

both a and r are true and r is correct explanation of a

The correct answer was given: jack626259

answer:

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Explanation:

A rainbow occurs when light hits the water drops in the atmosphere at a certain angle. It is an atmospheric phenomenon that is formed through optical processes such as refraction, dispersion, internal reflection and secondary refraction.

If the light source is the sun, then the rainbow will be colorful and bright. As shown in Fig. when a beam of sunlight enters the water drop the degree of refraction of the different colors is variable. Violet light has the shortest wavelength therefore, its degree of refraction is also the greatest; red light has a longer wavelength therefore its degree of refraction is the smallest. The degrees of refraction of the other colors lie within this range.

Therefore, a solar halo with violet light in the innermost and red at the outermost edge is formed, and that's why the rainbow we see is always violet on the inside and red on the outside. The visual angle (the angle from the ground surface to the vertex of the rainbow) is about 42

Secondary Rainbow:

A secondary rainbow is different from a primary rainbow only in that it is formed by secondary reflection of light within the raindrops. Therefore, when we see the light reflected by the raindrops the spectrum of the light is the exact opposite from that of a primary rainbow, which means the secondary rainbow is red on the inside and violet on the outside. It has a visual angle of about 50

and is concentric with the primary rainbow.

The correct answer was given: lighy6155

answer:

Rainbow is a meteorological phenomenon that is caused by reflection ,refraction and dispersion of light in water droplets

This is caused by light being reflected twice on the inside of the droplet before leaving it

Hope my answer is helpful to you

The correct answer was given: riddhima95

Explanation:

bahut both assertion and reason are true . reason is the correct explanation for assertion

The correct answer was given: Unicorn1523

A rainbow is a natural spectrum appearing in the sky. It is caused by dispersion of sunlight by tiny droplets present in the atmosphere after a rainfall. The tiny droplets produce dispersion in the incident sunlight and then total internal reflection, as shown. Due to these phenomenon, different colours reach the observer at different angles and a rainbow is formed...

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Explain the phenomenon of rainbow formation in the sky also draw a daigram effecting phenomenon