The refractive index of diamond is 2.42. what this means?
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the speed of light in diamond is 1/2.42 times the speed of light in vacuum. and also increase the speed in air
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ʜᴇʀᴇ ɪs ᴜʀ ᴀɴsᴡᴇʀ:-⏬⏬
ᴡʜᴇɴ ᴡᴇ sᴀʏ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx ᴏғ ᴅɪᴀᴍᴏɴᴅ ɪs 2.42, ɪᴛ ᴍᴇᴀɴs ʟɪɢʜᴛ ɪs ᴛʀᴀᴠᴇʟʟɪɴɢ ғʀᴏᴍ ʀᴀʀᴇʀ ᴛᴏ ᴅᴇɴsᴇʀ ᴍᴇᴅɪᴜᴍ, ᴀɴᴅ sᴘᴇᴇᴅ ᴏғ ʟɪɢʜᴛ ɪɴ ᴀɪʀ ɪs 2.42 ᴛɪᴍᴇs ᴛʜᴇ sᴘᴇᴇᴅ ᴏғ ʟɪɢʜᴛ ɪɴ ᴅɪᴀᴍᴏɴᴅ.
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