the trace the path of a ray of light throught a rectangular glass slab and measure the angle of incidance, angle of refraction,angle of enmergence
Answers
Answer:
is equal to zero budddy
Rᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴛʜᴇ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ʟɪɢʜᴛ ɪɴ ᴡʜɪᴄʜ ɪᴛ ʙᴇɴᴅs ғʀᴏᴍ ᴏɴᴇ ᴍᴇᴅɪᴜᴍ ᴛᴏ ᴀɴᴏᴛʜᴇʀ. Tʜᴇ ʟᴀᴡ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴀʟsᴏ ᴋɴᴏᴡɴ ᴀs Sɴᴇʟʟ’s ʟᴀᴡ ᴡʜɪᴄʜ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴛʜᴇ ʀᴀᴛɪᴏ ᴏғ ᴛʜᴇ sɪɴᴇ ᴏғ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ ᴛᴏ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴇϙᴜᴀʟ ᴛᴏ ᴄᴏɴsᴛᴀɴᴛ. Bᴇʟᴏᴡ ɪs ᴀɴ ᴇxᴘᴇʀɪᴍᴇɴᴛ ᴛᴏ ᴛʀᴀᴄᴇ ᴛʜᴇ ᴘᴀᴛʜ ᴏғ ᴀ ʟɪɢʜᴛ ʀᴀʏ ᴘᴀssɪɴɢ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ɢʟᴀss sʟᴀʙ.
Aɪᴍ
Tᴏ ᴛʀᴀᴄᴇ ᴛʜᴇ ᴘᴀᴛʜ ᴏғ ᴀ ʀᴀʏ ᴏғ ʟɪɢʜᴛ ᴘᴀssɪɴɢ ᴛʜʀᴏᴜɢʜ ᴀ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ɢʟᴀss sʟᴀʙ ғᴏʀ ᴅɪғғᴇʀᴇɴᴛ ᴀɴɢʟᴇs ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ. Mᴇᴀsᴜʀᴇ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ, ᴀɴɢʟᴇ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ, ᴀɴɢʟᴇ ᴏғ ᴇᴍᴇʀɢᴇɴᴄᴇ, ᴀɴᴅ ɪɴᴛᴇʀᴘʀᴇᴛ ᴛʜᴇ ʀᴇsᴜʟᴛ.
Tʜᴇᴏʀʏ
Wʜᴀᴛ ᴀʀᴇ ʟᴀᴡs ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ?
Fᴏʟʟᴏᴡɪɴɢ ᴀʀᴇ ᴛʜᴇ ʟᴀᴡs ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ:
Tʜᴇ ɪɴᴄɪᴅᴇɴᴛ ʀᴀʏ, ᴛʜᴇ ɴᴏʀᴍᴀʟ ʀᴀʏ, ᴀɴᴅ ᴛʜᴇ ʀᴇғʀᴀᴄᴛᴇᴅ ʀᴀʏ, ᴀʟʟ ʟɪᴇ ɪɴ ᴛʜᴇ sᴀᴍᴇ ᴘʟᴀɴᴇ.
Sɴᴇʟʟ’s ʟᴀᴡ: Tʜᴇ ʟᴀᴡ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴛʜᴇ ʀᴀᴛɪᴏ ᴏғ ᴛʜᴇ sɪɴᴇ ᴏғ ᴀɴ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ ᴛᴏ ᴛʜᴇ sɪɴᴇ ᴏғ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ ɪs ᴄᴏɴsᴛᴀɴᴛ.
sɪɴɪsɪɴʀ=ᴄᴏɴsᴀᴛɴᴛ
Wʜᴀᴛ ɪs ʀᴇғʀᴀᴄᴛɪᴏɴ ᴏғ ʟɪɢʜᴛ?
Tʜᴇ ʀᴇғʀᴀᴄᴛɪᴏɴ ᴏғ ʟɪɢʜᴛ ɪs ᴀ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ʟɪɢʜᴛ ɪɴ ᴡʜɪᴄʜ ᴛʜᴇ ʟɪɢʜᴛ ᴄʜᴀɴɢᴇs ɪᴛs ᴘᴀᴛʜ ᴡʜᴇɴ ɪᴛ ᴘᴀssᴇs ғʀᴏᴍ ᴏɴᴇ ᴍᴇᴅɪᴜᴍ ᴛᴏ ᴛʜᴇ ᴏᴛʜᴇʀ.
Wʜᴀᴛ ɪs ʟᴀᴛᴇʀᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ?
Lᴀᴛᴇʀᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀ sʜɪғᴛ ɪɴ ᴛʜᴇ ᴘᴀᴛʜ ᴏғ ʟɪɢʜᴛ ᴡʜᴇɴ ɪᴛ ᴇᴍᴇʀɢᴇs ᴏᴜᴛ ғʀᴏᴍ ᴛʜᴇ ʀᴇғʀᴀᴄᴛɪɴɢ ᴍᴇᴅɪᴜᴍ.
Mᴀᴛᴇʀɪᴀʟs Rᴇϙᴜɪʀᴇᴅ
A ᴅʀᴀᴡɪɴɢ ʙᴏᴀʀᴅ
4-6 ᴀʟʟ ᴘɪɴs
Wʜɪᴛᴇ sʜᴇᴇᴛ ᴏғ ᴘᴀᴘᴇʀ
Rᴇᴄᴛᴀɴɢᴜʟᴀʀ ɢʟᴀss sʟᴀʙ
A ᴘʀᴏᴛʀᴀᴄᴛᴏʀ
A sᴄᴀʟᴇ
A ᴘᴇɴᴄɪʟ
Tʜᴜᴍʙ ᴘɪɴs
Pʀᴏᴄᴇᴅᴜʀᴇ
Fɪx ᴀ ᴡʜɪᴛᴇ sʜᴇᴇᴛ ᴏɴ ᴛʜᴇ sᴏғᴛ ᴅʀᴀᴡɪɴɢ ʙᴏᴀʀᴅ ᴜsɪɴɢ ᴛʜᴜᴍʙ ᴘɪɴs.
Usɪɴɢ ᴀ sʜᴀʀᴘ ᴘᴇɴᴄɪʟ, ᴅʀᴀᴡ ᴛʜᴇ ᴏᴜᴛʟɪɴᴇ ʙᴏᴜɴᴅᴀʀʏ ᴏғ ᴛʜᴇ ɢʟᴀss sʟᴀʙ, ᴘʟᴀᴄᴇ ɪᴛ ᴀᴛ ᴛʜᴇ ᴏғ ᴛʜᴇ ᴡʜɪᴛᴇ ᴘᴀᴘᴇʀ.
Lᴇᴛ ABCD ʙᴇ ᴛʜᴇ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ғɪɢᴜʀᴇ ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ᴅʀᴀᴡɪɴɢ.
Mᴀʀᴋ ᴘᴏɪɴᴛ E ᴏɴ AB ᴀɴᴅ ᴅʀᴀᴡ ᴀ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀ EN ᴀɴᴅ ʟᴀʙᴇʟ ɪᴛ ᴀs ᴀ ɴᴏʀᴍᴀʟ ʀᴀʏ.
Dʀᴀᴡ ᴏɴᴇ ᴀɴɢʟᴇ ᴏғ 30° ᴡɪᴛʜ ᴛʜᴇ ʜᴇʟᴘ ᴏғ ᴘʀᴏᴛʀᴀᴄᴛᴏʀ ᴡɪᴛʜ EN. Fɪx ᴘɪɴs ᴀᴛ P ᴀɴᴅ Q ᴀᴛ 4-5 ᴄᴍ ᴏɴ ᴛʜᴇ ʀᴀʏ ᴛʜᴀᴛ ɪs ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ᴛʜᴇ ᴀɴɢʟᴇ.
Pʟᴀᴄᴇ ᴛʜᴇ ɢʟᴀss sʟᴀʙ ᴏɴ ᴛʜᴇ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ғɪɢᴜʀᴇ ABCD.
Tᴏ ғɪx R ᴀɴᴅ S, sᴇᴇ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ɢʟᴀss sʟᴀʙ ᴏғ sɪᴅᴇ CD, sᴜᴄʜ ᴛʜᴀᴛ ᴡʜᴇɴ sᴇᴇɴ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ɢʟᴀss sʟᴀʙ, ᴀʟʟ ᴛʜᴇ ᴘɪɴs P, Q, R, ᴀɴᴅ S sʜᴏᴜʟᴅ ʟɪᴇ ɪɴ ᴀ sᴛʀᴀɪɢʜᴛ ʟɪɴᴇ.
Dʀᴀᴡ ᴀ sᴍᴀʟʟ ᴄɪʀᴄʟᴇ ᴀʀᴏᴜɴᴅ ᴛʜᴇ ᴘɪɴs P, Q, R, ᴀɴᴅ S ᴀɴᴅ ʀᴇᴍᴏᴠᴇ ᴛʜᴇ ᴘɪɴs.
Rᴇᴍᴏᴠᴇ ᴛʜᴇ ɢʟᴀss sʟᴀʙ.
Jᴏɪɴ ᴘᴏɪɴᴛs R ᴀɴᴅ S sᴜᴄʜ ᴛʜᴀᴛ ɪᴛ ᴍᴇᴇᴛs CD ᴀᴛ ᴘᴏɪɴᴛ F. Dʀᴀᴡ ᴀ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀ N’M’ ᴛᴏ CD ᴀᴛ ᴘᴏɪɴᴛ F.
Usɪɴɢ ᴀ ᴘᴇɴᴄɪʟ, ᴊᴏɪɴ ᴛʜᴇ ᴘᴏɪɴᴛs E ᴀɴᴅ F.
Mᴇᴀsᴜʀᴇ ᴛʜᴇ ᴀɴɢʟᴇs ғᴏʀᴍᴇᴅ ᴀᴛ AB ᴀɴᴅ CD, ɪ.ᴇ, ᴛʜᴇ ɪɴᴄɪᴅᴇɴᴛ ᴀɴɢʟᴇ, ʀᴇғʀᴀᴄᴛᴇᴅ ᴀɴɢʟᴇ, ᴀɴᴅ ᴇᴍᴇʀɢᴇɴᴛ ᴀɴɢʟᴇ.
Tʜᴇ ʟᴀᴛᴇʀᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ɪs ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ᴇxᴛᴇɴᴅɪɴɢ ᴛʜᴇ ʀᴀʏ PQ ɪɴ ᴀ ᴅᴏᴛᴛᴇᴅ ʟɪɴᴇ ᴡʜɪᴄʜ ɪs ᴘᴀʀᴀʟʟᴇʟ ʀᴀʏ ᴛᴏ FRS.
Mᴇᴀsᴜʀᴇ ᴛʜᴇ ʟᴀᴛᴇʀᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ.
Rᴇᴘᴇᴀᴛ ᴛʜᴇ sᴀᴍᴇ ᴘʀᴏᴄᴇᴅᴜʀᴇ ғᴏʀ ᴀɴɢʟᴇ 45° ᴀɴᴅ 60°.
Rᴀʏ Dɪᴀɢʀᴀᴍ
ʀᴇғʟᴇᴄᴛɪᴏɴ ᴏғ ʟɪɢʜᴛ ᴛʜʀᴏᴜɢʜ ᴀ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ɢʟᴀss sʟᴀʙ
Oʙsᴇʀᴠᴀᴛɪᴏɴ Tᴀʙʟᴇ
Sʟ.ɴᴏ Aɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ
∠ɪ = ∠PEN Aɴɢʟᴇ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ
∠ʀ = ∠MEF Aɴɢʟᴇ ᴏғ ᴇᴍᴇʀɢᴇɴᴄᴇ
∠ᴇ = ∠SFM’ ∠ɪ – ∠ᴇ
∠PEN – ∠SFM’
1 30° 28° 30° 0°
2 45° 43° 44.8° 0.2°
3 60° 56° 59.8° 0.2°Sᴡɪᴘᴇ ʟᴇғᴛ
Dᴜᴇ ᴛᴏ ʜᴜᴍᴀɴ ᴇʀʀᴏʀ ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏғ ∠ɪ – ∠ᴇ ᴍᴀʏ ɴᴏᴛ ʙᴇ ᴇϙᴜᴀʟ ᴛᴏ ᴢᴇʀᴏ.
Cᴏɴᴄʟᴜsɪᴏɴ
Tʜᴇ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ ᴀɴᴅ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ᴇᴍᴇʀɢᴇɴᴄᴇ ᴀʀᴇ ᴀʟᴍᴏsᴛ ᴇϙᴜᴀʟ.
As ᴛʜᴇ ʟɪɢʜᴛ ɪs ᴛʀᴀᴠᴇʟɪɴɢ ғʀᴏᴍ ʀᴀʀᴇʀ ᴛᴏ ᴅᴇɴsᴇʀ ᴏᴘᴛɪᴄᴀʟ ᴍᴇᴅɪᴜᴍ, ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ʀᴇғʀᴀᴄᴛɪᴏɴ ᴡɪʟʟ ʙᴇ ʟᴇssᴇʀ ᴛʜᴀɴ ᴛʜᴇ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ.
Fᴏʀ ᴅɪғғᴇʀᴇɴᴛ ᴀɴɢʟᴇs ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ, ᴛʜᴇ ʟᴀᴛᴇʀᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ᴡɪʟʟ ʀᴇᴍᴀɪɴ ᴛʜᴇ sᴀᴍᴇ.
Tʜᴇ ʟɪɢʜᴛ ᴡɪʟʟ ʙᴇɴᴅ ᴛᴏᴡᴀʀᴅs ᴛʜᴇ ɴᴏʀᴍᴀʟ ᴡʜᴇɴ ɪᴛ ᴛʀᴀᴠᴇʟs ғʀᴏᴍ ᴀɴ ᴏᴘᴛɪᴄᴀʟʟʏ ʀᴀʀᴇʀ ᴍᴇᴅɪᴜᴍ ᴛᴏ ᴀɴ ᴏᴘᴛɪᴄᴀʟʟʏ ᴅᴇɴsᴇʀ ᴍᴇᴅɪᴜᴍ.
Pʀᴇᴄᴀᴜᴛɪᴏɴs
Tʜᴇ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ɢʟᴀss sʟᴀʙ ᴜsᴇᴅ sʜᴏᴜʟᴅ ʜᴀᴠᴇ ᴘᴇʀғᴇᴄᴛʟʏ sᴍᴏᴏᴛʜ ғᴀᴄᴇs.
Tʜᴇ ᴅʀᴀᴡɪɴɢ ʙᴏᴀʀᴅ sʜᴏᴜʟᴅ ʙᴇ sᴏғᴛ sᴏ ᴛʜᴀᴛ ᴘɪɴs ᴄᴀɴ ʙᴇ ᴇᴀsɪʟʏ ғɪxᴇᴅ ᴏɴ ɪᴛ.
Tʜᴇ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ sʜᴏᴜʟᴅ ʟɪᴇ ʙᴇᴛᴡᴇᴇɴ 30° ᴀɴᴅ 60°.
Aʟʟ ᴘɪɴs ʙᴀsᴇ sʜᴏᴜʟᴅ ʙᴇ ɪɴ ᴀ sᴛʀᴀɪɢʜᴛ ʟɪɴᴇ.
Tʜᴇ ᴅɪsᴛᴀɴᴄᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴘɪɴs P ᴀɴᴅ Q ᴏʀ ᴛʜᴇ ᴘɪɴs R ᴀɴᴅ S, ᴀ ᴍɪɴɪᴍᴜᴍ 5 ᴄᴍ ɢᴀᴘ sʜᴏᴜʟᴅ ʙᴇ ᴍᴀɪɴᴛᴀɪɴᴇᴅ.
Usɪɴɢ ᴀ sʜᴀʀᴘ ᴘᴇɴᴄɪʟ, ᴅʀᴀᴡ ᴛʜɪɴ ʟɪɴᴇs.
Tʜᴇ ϙᴜᴀʟɪᴛʏ ᴏғ ᴛʜᴇ ᴘʀᴏᴛʀᴀᴄᴛᴏʀ sʜᴏᴜʟᴅ ʙᴇ ɢᴏᴏᴅ.
Tʜᴇ ᴘʟᴀᴄᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ᴘʀᴏᴛʀᴀᴄᴛᴏʀ sʜᴏᴜʟᴅ ʙᴇ ᴄᴏʀʀᴇᴄᴛ ᴛᴏ ɢᴇᴛ ᴄᴏʀʀᴇᴄᴛ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛs.
Tʜᴇ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀs sʜᴏᴜʟᴅ ʙᴇ ᴅʀᴀᴡɴ ᴡɪᴛʜ ᴄᴀʀᴇ.
Sᴏᴜʀᴄᴇs Oғ ᴇʀʀᴏʀ
Tʜᴇʀᴇ sʜᴏᴜʟᴅɴ’ᴛ ʙᴇ ᴀɴʏ ᴀɪʀ ʙᴜʙʙʟᴇs ɪɴ ᴛʜᴇ ɢʟᴀss sʟᴀʙ.
Tʜᴇ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛs ᴅᴏɴᴇ ʙʏ ᴛʜᴇ ᴘʀᴏᴛʀᴀᴄᴛᴏʀ sʜᴏᴜʟᴅ ʙᴇ ᴀᴄᴄᴜʀᴀᴛᴇ.