Question

what is meant dispersion of light. Describe the formation of rainbow in the sky with the help of a diagram?​

Answer 1

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❥︎ ᴛʜᴇ ʙᴀɴᴅ ᴏғ ᴛʜᴇ ᴄᴏʟᴏᴜʀᴇᴅ ᴄᴏᴍᴘᴏɴᴇɴᴛs ᴏғ ʟɪɢʜᴛ ʙᴇᴀᴍ ɪs ᴄᴀʟʟᴇᴅ sᴘᴇᴄᴛʀᴜᴍ . ᴛʜᴇ sᴘʟɪᴛᴛɪɴɢ ᴏғ ʟɪɢʜᴛ ɪɴᴛᴏ ɪᴛs ᴄᴏᴍᴘᴏɴᴇɴᴛ ᴄᴏʟᴏᴜʀ ɪs ᴄᴀʟʟᴇᴅ ᴀs ᴅɪsᴘᴇʀsɪᴏɴ .

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❥︎ ᴡʜᴇɴ ᴡʜɪᴛᴇ ʟɪɢʜᴛ ᴄᴏɴsɪsᴛɪɴɢ ᴏғ sᴇᴠᴇɴ ᴄᴏʟᴏᴜʀs ғᴀʟʟs ᴏɴ ᴘʀɪsᴍ , ᴇᴀᴄʜ ᴄᴏʟᴏᴜʀ ɪs ʀᴇғʀᴀᴄᴛᴇᴅ ʙʏ ᴀ ᴅɪғғᴇʀᴇɴᴛ ᴀɴɢʟᴇ , ᴡɪᴛʜ ᴛʜᴇ ʀᴇsᴜʟᴛ ᴛʜᴀᴛ sᴇᴠᴇɴ ᴄᴏʟᴏᴜʀs ᴀʀᴇ sᴘʀᴇᴀᴅ ᴏᴜᴛ ᴛᴏ ғᴏʀᴍ ᴀ sᴘᴇᴄᴛʀᴜᴍ .

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➪ ʀᴀɪɴʙᴏᴡ ɪs ᴀɴ ᴀʀᴄʜ ᴏғ sᴇᴠᴇɴ ᴄᴏʟᴏᴜʀs ᴠɪsɪʙʟᴇ ɪɴ ᴛʜᴇ sᴋʏ ᴡʜɪᴄʜ ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴛʜᴇ ᴅɪsᴘᴇʀsɪᴏɴ ᴏғ sᴜɴʟɪɢʜᴛ ʙʏ ʀᴀɪɴᴅʀᴏᴘs ɪɴ ᴀᴛᴍᴏsᴘʜᴇʀᴇ . ᴇᴀᴄʜ ʀᴀɪɴᴅʀᴏᴘs ᴀᴄᴛs ᴀs ᴀ ᴛɪɴʏ ɢʟᴀss ᴘʀɪsᴍ sᴘʟɪᴛᴛɪɴɢ ᴛʜᴇ sᴜɴʟɪɢʜᴛ ɪɴᴛᴏ ᴀ sᴘᴇᴄᴛʀᴜᴍ .