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Anotatsiya: Ushbu maqolada fizika kattaliklarning turlari,birliklari,o‘lchamlari hamda fizik kattaliklarning ishlatishi haqida ma‘lumotlar berilgan. Kattaliklar va ularning turlari.Kattalik birliklari, Kattaliklar o‘lchamligi, Birliklar va o‘lchamlarni belgilash hamda yozish qoidalari, Xalqaro birliklar tizimi, Kattaliklar va ularning turlari. Kattalik – sifat tomonidan ko‘pgina fizikaviy ob‘yektlarga (fizikaviy tizimlarga, ularning holatlariga va ularda o‘tayotgan jarayonlarga) nisbatan umumiy bo‘lib, miqdor tomonidan har bir ob’yekt uchun xususiy bo‘lgan xossadir.Ta’rifda keltirilgan xususiylik biror ob’yektning xossasi ikkinchisinikiga nisbatan ma’lum darajada kattaroq yoki kichikroq bo‘lishini ifodalaydi.Metrologiya fani aynan mana shu kattaliklar, ularning birliklari, o‘lchash texnikasining rivojlanishi bilan chambarchas bog‘liqdir.Har bir fizikaviy ob’yekt bir qancha ob’yektiv xossalar bilan tavsiflanishi mumkin. Ilm – fan taraqqiyoti va rivojlanishi bilan bu xossalarni bilishga talab ortib bormoqda. Hozirga kelib zamonaviy o‘lchash vositalari yordamida 70 dan ortiq kattalikni o‘lchash imkoniyati mavjud. Bu ko‘rsatkich 2050 yillarga borib 200 dan ortib ketishi bashorat qilinmoqda. Kattalikning o‘lchamligi Har bir xossa ko‘p yoki kam darajada ifodalanishi, ya’ni miqdor tavsifiga ega bo‘lishi mumkin ekan, demak bu xossani ham o‘lchash mumkin. Kattaliklarning sifat tavsiflarini rasmiy tarzda ifodalashda o‘lchamlikdan foydalanamiz. Kattalikning o‘lchamligi deb, shu kattalikning tizimdagi asosiy kattaliklar bilan bog‘liqligini ko‘rsatadigan va proporsionallik koeffitsiyenti 1 ta teng bo‘lgan ifodaga aytiladi. Kattaliklarning o‘lchamligi dimension – o‘lcham, o‘lchamlik ma’nosini bildiradigan (ingl.) so‘zga asoslangan holda dim simvoli bilan belgilanadi.
Kalit so'zlar: Fizika, fizik kattalik, birligi, o'lchami, miqdori, katta, kichik.
Kalit so'zlar: Fizika, fizik kattalik, birligi, o'lchami, miqdori, katta, kichik.
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