Question

"Rainbow is an example of dispersion of sunlight." Justify this statement by explaining, with the help of a labelled diagram, the formation of a rainbow in the sky. List two essential conditions for observing a rainbow.

Answer 1

ʜᴇʟʟᴏ ᴍᴀᴛᴇ!

ᴛʜᴇ ʀᴀɴʙᴏᴡ ɪs ғᴏʀᴍᴇᴅ ᴏɴ ʙᴀsɪs ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ ᴀɴᴅ ʀᴇғʟᴇᴄᴛɪᴏɴ. ɪɴ sᴜᴄʜ ᴄᴀsᴇs ᴡʜɪᴛᴇ ʟɪɢʜᴛ / sᴜɴ ʀᴀʏs ᴀʀᴇ ᴅɪsᴘᴇʀsᴇᴅ ʙʏ ᴡᴀᴛᴇʀ ᴅʀᴏᴘʟᴇᴛ ᴛᴏ sᴘʟɪᴛ ɪɴᴛᴏ sᴠᴇɴ ᴅɪғғᴇʀᴇɴᴛ ᴄᴏʟᴏᴜʀs. ʜᴇɴᴄᴇ ʀᴀɪɴʙᴏᴡ ғᴏʀᴍᴀᴛɪᴏɴ ɪɴᴄʟᴜᴅᴇ ᴅɪsᴘᴇʀsɪᴏɴ ᴀɴᴅ ʀᴇғʟᴇᴄᴛɪᴏɴ ᴀɴᴅ ʀᴇғʀᴀᴄᴛɪᴏɴ.

ᴛʜᴇ ᴛᴡᴏ ᴍᴀɪɴ ᴛʜɪɴɢs ʀᴇǫᴜɪʀᴇᴅ ғᴏʀ ʀᴀɪɴʙᴏᴡ ғᴏʀᴍᴀᴛɪᴏɴ ɪs ᴛʜᴇ ᴘʀᴇsᴄᴇɴᴄᴇ ᴏғ ᴀ ᴘʀɪsᴍ ʟɪᴋᴇ sᴜʙsᴛᴀɴᴄᴇ ( ʜᴇʀᴇ ᴡᴀᴛᴇʀ ᴅʀᴏᴘʟᴇᴛ ) ᴀɴᴅ ᴡʜɪᴛᴇ ʟɪɢʜᴛ sᴏᴜʀᴄᴇ ( ʜᴇʀᴇ sᴜɴʟɪɢʜᴛ ʀᴀʏs )

ᴘʟᴇᴀsᴇ ʀᴇғᴇʀ ᴛᴏ ᴀᴛᴛᴀᴛᴄʜᴍᴇɴᴛ.

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs

Answer 2

Rainbow is an natural phenomenon.It is an arc of seven colours visible in the sky which is produce by the dispersion of light by raindrops in the atmosphere.
It is an collection of three phenomenonnd that is Dispersion , Total internal reflection , Refraction .