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Kelvin (belgilanishi: K) — Xalqaro birliklar tizimi SIda termodinamik tempaturalar birligi, 1848-yili kiritilgan. U. Tomson (Lord Kelvin) sharafiga qoʻyilgan. Suvning uchlama nuqtasi (suyuq, gaz, muz) termodinamik tempaturasining 1/273,16 qismiga teng . K bilan belgilanadi. 1968 yilgacha Kelvin gradusi (°K) deb yuritilgan. K Xalkaro amaliy temperatura shkalasi birligi sifatida qoʻllanadi. [1]
Kelvin | |
---|---|
K | |
Kattalik | Temperatura |
Tizim | SI |
Turi | asosiy |
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1968-yilgacha kelvin rasman Kelvin gradusi deb nomlanardi.
1°C=274.15°K
1°K=-272.15°C
Topish kerak | Nimadan | Ifoda |
---|---|---|
Selsiy | kelvin | °C = K − 273.15 |
kelvin | Selsiy | K = °C + 273.15 |
Rankin | kelvin | °R = K × 1.8 |
kelvin | Rankin | K = °R ÷ 1.8 |
Farengeyt | kelvin | °F = (K × 1.8) − 459.67 |
kelvin | Farengeyt | K = (°F + 459.67) ÷ 1.8 |
elektronvoltlar | kelvin | eV ≈ K ÷ 11,604.5 |
kelvin | elektronvoltlar | K ≈ eV × 11,604.5 |
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