the bend effect due to the reflection
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- ᴡʜᴇɴ ʟɪɢʜᴛ ᴛʀᴀᴠᴇʟs ғʀᴏᴍ ᴀɪʀ ɪɴᴛᴏ ᴡᴀᴛᴇʀ, ɪᴛ sʟᴏᴡs ᴅᴏᴡɴ, ᴄᴀᴜsɪɴɢ ɪᴛ ᴛᴏ ᴄʜᴀɴɢᴇ ᴅɪʀᴇᴄᴛɪᴏɴ sʟɪɢʜᴛʟʏ. ᴛʜɪs ᴄʜᴀɴɢᴇ ᴏғ ᴅɪʀᴇᴄᴛɪᴏɴ ɪs ᴄᴀʟʟᴇᴅ ʀᴇғʀᴀᴄᴛɪᴏɴ. ᴡʜᴇɴ ʟɪɢʜᴛ ᴇɴᴛᴇʀs ᴀ ᴍᴏʀᴇ ᴅᴇɴsᴇ sᴜʙsᴛᴀɴᴄᴇ (ʜɪɢʜᴇʀ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx), ɪᴛ 'ʙᴇɴᴅs' ᴍᴏʀᴇ ᴛᴏᴡᴀʀᴅs ᴛʜᴇ ɴᴏʀᴍᴀʟ ʟɪɴᴇ.
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The Direction of Bending. Refraction is the bending of the path of a light wave as it passes from one material into another material. The refraction occurs at the boundary and is caused by a change in the speed of the light wave upon crossing the boundary
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