Explain the blue colour of the sky and it white colour at noon
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Sky appears blue because the size of the particles present in air is of smaller wavelength then of blue colour so they scatter blue colour the most .This causes sky colours blue.
At noon the sun is at the nearest point to the earth so the beam of light has to travel the shortest distance to reach our eye and the least possible blue colour scatters so it appears us as white.
similarly when sun rises it appears reddish because light rays have to travel a long distance in which all the blue colour gets scattered away and colours of long wavelength like red, orange reach our eye.
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At noon the sun is at the nearest point to the earth so the beam of light has to travel the shortest distance to reach our eye and the least possible blue colour scatters so it appears us as white.
similarly when sun rises it appears reddish because light rays have to travel a long distance in which all the blue colour gets scattered away and colours of long wavelength like red, orange reach our eye.
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ᴀᴛ ɴᴏᴏɴ, ᴛʜᴇ sᴜɴ ɪs ᴏᴠᴇʀʜᴇᴀᴅ ɪɴ ᴛʜᴇ sᴋʏ ᴀɴᴅ ᴛʜᴇ ʟɪɢʜᴛ ᴄᴏᴍɪɴɢ ғʀᴏᴍ ᴛʜᴇ sᴜɴ ᴛʀᴀᴠᴇʟs ᴀ ʀᴇʟᴀᴛɪᴠᴇʟʏ sʜᴏʀᴛᴇʀ ᴅɪsᴛᴀɴᴄᴇ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ᴛᴏ ʀᴇᴀᴄʜ ᴛʜᴇ ᴇᴀʀᴛʜ. ... ᴀs ᴛʜᴇ ʟɪɢʜᴛ ᴄᴏᴍɪɴɢ ғʀᴏᴍ ᴛʜᴇ ᴏᴠᴇʀʜᴇᴀᴅ sᴜɴ ᴄᴏɴᴛᴀɪɴs ᴀʟᴍᴏsᴛ ᴀʟʟ ɪᴛs ᴄᴏᴍᴘᴏɴᴛ ᴄᴏʟᴏᴜʀs ɪɴ ᴛʜᴇ ʀɪɢʜᴛ ᴘʀᴏᴘᴏʀᴛɪᴏɴ, ᴛʜᴇ sᴜɴ ᴀᴘᴘᴇᴀʀs ᴡʜɪᴛᴇᴛᴏ ᴜs ᴀᴛ ɴᴏᴏɴ.
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