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পানির ত্রৈধবিন্দু (Triple point) তাপমাত্রা-

পানির ত্রৈধবিন্দু (Triple point) তাপমাত্রা- Correct Answer 273.16 K

যে তাপমাত্রা ও চাপে কোনও পদার্থ একইসাথে বাষ্পীয়, তরল এবং কঠিন অবস্থায় বিরাজ করতে পারে তাকে ওই বস্তুর ত্রৈধ বিন্দু বলে। 4.58 mm hg চাপে এবং 273.16 K তাপমাত্রায় বিশুদ্ধ বরফ, বিশুদ্ধ পানি এবং সম্পৃক্ত জলীয় বাষ্প একই তাপীয় সাম্যাবস্থায় থাকতে পারে।

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