โฟตอน
foo-dtɔɔnMeaning
1NounC1
photon (light quantum)
A photon; the quantum of electromagnetic radiation that carries energy and momentum but has no rest mass, traveling at the speed of light in a vacuum.
Examples
โฟตอนfoo-dtɔɔnโฟตอนfoo-dtɔɔnphoton (light quantum)เป็นbpenเป็นbpen1to be (identity/category/state)2to become3[to] know how; be able to (skill)4alive; living5[to] have; suffer from; be in (a condition)อนุภาคà-nú-pâakอนุภาคà-nú-pâak1particle (physics/general)2grammatical particleของkɔ̌ɔngของkɔ̌ɔng1of; belonging to2thing; item; stuff3property; goodsแสงsɛ̌ɛngแสงsɛ̌ɛng1light2ray; beamที่tîiที่tîi1place; spot; seat; space2at; in; to (a place)3classifier: places; seats; individual servings4that/which/who (relative marker)5when; the time that (time marker)6ordinal markerไม่มีmâi-miiไม่มีmâi-mii1to not have; lack2there is/are not; does/do not exist3[reply] we don't have it; out of stockมวลmuuanมวลmuuan1mass (physics)2a mass; multitude3all; entire; wholeนิ่งnîngนิ่งnîng1still; motionless2[to] be still; stay still3calm; composed; unflustered4[to] remain silent; say nothingแต่dtɛ̀ɛแต่dtɛ̀ɛ1but; however (contrast)2only; just (restriction)3from; since (starting point)พลังงานpá-lang-ngaanพลังงานpá-lang-ngaan1vitality; vigor2energy (physics)3energy (power supply; fuel)และlɛ́และlɛ́and (coordinating)โมเมนตัมmoo-meen-dtamโมเมนตัมmoo-meen-dtam1momentum (physics)2driving force; ongoing impetus3momentum (finance/marketing)ของมันkɔ̌ɔng-manของมันkɔ̌ɔng-manits; belonging to it; his / hers (derogatory or very informal)ส่งผลให้sòng-pǒn-hâiส่งผลให้sòng-pǒn-hâi[to] result in; cause; lead toเกิดgə̀ətเกิดgə̀ət1to be born2to happen; occur; arise3born (indicating birthplace/time)4(colloq.) if it happens that; unexpectedlyแรงกดrɛɛng-gòtแรงกดrɛɛng-gòtpressing force; downward pushรังสีrang-sǐiรังสีrang-sǐi1radiation; radiant energy2ray; beamได้dâaiได้dâai1okay; sure; agreed2[to] get; obtain; receive3can; [to] be able to; may4[to] manage to; succeed in5actualized-action marker
A photon is a particle of light with no rest mass, yet its energy and momentum can produce radiation pressure.
3 more examplesShow less
ในnaiสุญญากาศsǔn-yaa-gàatโฟตอนfoo-dtɔɔnจะjàเคลื่อนที่klʉ̂ʉan-tîiด้วยdûuaiความเร็วkwaam-reoแสงsɛ̌ɛngเสมอsà-mə̌əทำtamให้สัญญาhâi-sǎn-yaaณnáจากjàakดวงดาวduuang-daaoใช้เวลาchái-wee-laaนานnaanกว่าจะgwàa-jàมาถึงmaa-tʉ̌ngเราrao
In a vacuum, photons always travel at the speed of light, causing signals from stars to take a long time to reach us.
นักฟิสิกส์nák fí-sìkอธิบายà-tí-baaiว่าwâaพลังงานpá-lang ngaanของkŏngโฟตอนfoh-dtonขึ้นกับkêun gàpความถี่kwaam tèeของkŏngคลื่นแม่เหล็กไฟฟ้าklêun mâe lèk fai fáaจึงjeungทำให้tam hâiแสงสีsăeng sĕeต่างdtàangๆ-มีmeeพลังงานpá-lang ngaanไม่เท่ากันmâi tâo gan
Physicists explain that a photon's energy depends on the frequency of electromagnetic waves, so different colors of light have different energies.
แม้máeโฟตอนfoh-dtonจะjàไร้ráiมวลmuuanนิ่งnìngแต่dtàeมันmanถือโมเมนตัมtĕu moh-men-dtamและláeถ่ายทอดtàai tôtพลังงานpá-lang ngaanผ่านpàanปฏิสัมพันธ์bpà-dtì-săm-panกับgàpสสารsà-săanซึ่งsêungเป็นbpenรากฐานrâak tăanของkŏngปรากฏการณ์bpraa-gòt-gaanเช่นchênโฟโตอิเล็กทริกfoh-dtoh-ì-lék-trìk
Although photons have no rest mass, they carry momentum and transfer energy through interactions with matter, underpinning phenomena such as the photoelectric effect.
Tones
See how the spelling sets each syllable's tone, step by step.
2 syllables · pick one to see its rule
How the tone is decided
- Consonant classLow class
- Tone markNo tone mark
- Syllable endingLive syllableA long vowel with no final consonant, so it is live.
Low class consonants
คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ
Result
Mid tone
foo
Level, in your normal speaking voice.
Low class + No tone mark + Live syllable → Mid
Tone chart
Every class and spelling pattern, with this syllable outlined.
| Mid class | High class | Low class | |
|---|---|---|---|
| No mark + live | Mid | Rising | Mid |
| No mark + dead short | Low | Low | High |
| No mark + dead long | Low | Low | Falling |
| Mai ek | Low | Low | Falling |
| Mai tho | Falling | Falling | High |
| Mai tri | High | — | — |
| Mai chattawa | Rising | — | — |
Word Breakdown
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โฟตอนfoo-dtɔɔnโฟตอนfoo-dtɔɔnphoton (light quantum)photon (light quantum)Word