Question

what is meant by refraction ?​

Answer 1

ʀᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴛʜᴇ ʙᴇɴᴅɪɴɢ ᴏғ ᴀ ᴡᴀᴠᴇ ᴡʜᴇɴ ɪᴛ ᴘᴀssᴇs ғʀᴏᴍ ᴏɴᴇ ᴍᴇᴅɪᴜᴍ ᴛᴏ ᴀɴᴏᴛʜᴇʀ. ᴛʜᴇ ʙᴇɴᴅɪɴɢ ɪs ᴄᴀᴜsᴇᴅ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴅɪғғᴇʀᴇɴᴄᴇs ɪɴ ᴅᴇɴsɪᴛʏ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴛᴡᴏ sᴜʙsᴛᴀɴᴄᴇs

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs....

ᴍᴀʀᴋ ᴍᴇ ᴀs ʙʀᴀɪɴʟɪᴇsᴛ ❤❤

Answer 2

The fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
**change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.
**measurement of the focusing characteristics of an eye or eyes.

Hope this will help you