Heure, fuseau horaire


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  • Scattering of light - BYJUS
    Why Is the Colour of the Clear Sky Blue? And Why Are the Clouds White? Molecules with a larger size than the wavelength of light experience the scattering effect differently; the phenomenon is known as the Mie effect Due to the largeness of particles, the light appears white That is why the clouds, which are made of water droplets, are white
  • Why does the sky appear blue - Toppr
    A clear cloudless day-time sky is blue because molecules in the air 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
  • Why is the colour of sky blue? - Toppr
    The molecules of air and other fine particles in the atmosphere have size smaller than the wavelength of visible light These are more effective in scattering light of shorter wavelength at the blue end than light of longer wavelengths at the red end When sunlight passes through the atmosphere, the fine particles in air scatter the blue colour more strongly than red The scattered blue light enters our eyes Since we see the blue light from everywhere overhead, the sky appears blue
  • Why is the sky blue - BYJUS
    Question Why is the sky blue ? Solution Sky appears blue because sunlight is scattered in the earth's atmosphere and out of all wavelenghts, blue one is scattered the most During sunset and sunrise, the angle of incidence of sunlight changes to almost 0 or pi, due to which the amount of scattering faced by sunlight increases
  • Why do clouds appear white while sky appears blue? - BYJUS
    Q Why do clouds appear white while sky appears blue? Q Clouds are white because of light scattering off of water droplets Q Match the following statements with correct terms associated with it Statement Options (A)Light makes tiny particles visible due to (1)Scattering scattering
  • Why is the colour of sky blue ? Explain. - Toppr
    Violet colour is scattered the most followed by blue, green, yellow, orange and red colours respectively Our eye is more sensitive to the blue light than the violet light Therefore, scattered light in the sky contains blue colour in plenty and hence the clear sky appears blue Note : Sky appears greyish over cities having industrial units
  • Why does the sky appear dark instead of blue to astronauts - Toppr
    To observe the color of the sky, the scattering of light is important which is only possible due to the presence of the atmosphere, and in space, there is no existence of atmosphere, therefore, the scattering of light doesn't occur So , to an astronaut sky appears dark instead of blue
  • Why sky is blue - BYJUS
    Why sky is blue Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere Blue is scattered more than other colors because it travels as shorter, smaller waves This is why we see a blue sky most of the time




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