Nau'in tsayi shine ainihin naúrar da mutane ke amfani da ita don auna tsayin abubuwa a sararin samaniya. Ƙasashe daban-daban suna da raka'a daban-daban na tsayi. Akwai nau'ikan hanyoyin jujjuya tsayin raka'a da yawa a duniya, ciki har da raka'o'in tsayin raka'a na gargajiya na kasar Sin, na'urorin tsayin tsayin duniya na kasa da kasa, raka'o'in tsayin sarki, tsawon raka'o'in taurari, da sauransu. tsayin raka'a ba zai iya rabuwa ba. A ƙasa akwai jerin dabarun juyowa tsakanin raka'a daban-daban, da fatan zai fi taimaka muku.
A cikin Tsarin Raka'a na Ƙasashen Duniya, ma'auni na tsawon tsayi shine "mita", wakilta ta alamar "m". Waɗannan tsayin raka'a duk awo ne.
Ƙididdigar juzu'i tsakanin daidaitattun daidaitattun raka'a na duniya kamar haka:
1 kilometer/km=1000 meters/m=10000 decimeter/dm=100000 centimeters/cm=1000000 millimeters/mm
1 millimeter/mm=1000 micron/μm=1000000 nanometer/nm
Tsawon raka'o'in Sinawa na gargajiya sun haɗa da mil, ƙafafu, ƙafafu, da sauransu. Tsarin juyawa shine kamar haka:
1 mil = ƙafa 150 = mita 500.
2 mil = kilomita 1 (mita 1000)
1 = 10 ƙafa,
1 ƙafa = 3.33m,
1 ƙafa = 3.33 decimeters
Wasu ƴan ƙasashen Turai da Amurka, musamman Ingila da Amurka, suna amfani da rukunin sarakuna, don haka tsawon raka'o'in da suke amfani da su ma sun bambanta, galibi mil, yadi, ƙafafu, da inci. Tsarin juyi don raka'o'in tsayin sarki kamar haka: Mile (mile) mil 1 = 1760 yadi = 5280 ƙafa = 1.609344 kilomita Yard (yard, yd) 1 yadi = 3 ƙafa = 0.9144 mita Fathom (f, fath, Fa, ftm) 1 fathom = 2 yadi = 1.8288 mita Wave (furlong) 1 kalaman = 220 yadi = mita 201.17 Kafa (kafa, ft, jam'i shine ƙafa) 1 ƙafa = 12 inci = 30.48 centimeters Inch (inch, in) 1 inch = 2.54 centimeters
A ilmin taurari, “shekara-haske” yawanci ana amfani da shi azaman naúrar tsayi. Ita ce tazarar da haske ke tafiya a cikin yanayi mara kyau a cikin shekara guda, don haka ana kiranta da shekara mai haske.
Ƙididdigar jujjuyawar raka'o'in tsayin taurari kamar haka:
1 haske shekara=9.4653×10^12km
1 parsec = 3.2616 haske shekaru
1 astronomical unit≈149.6 kilomita miliyan
Sauran tsayin raka'a sun haɗa da: mita (Pm), megameter (Mm), kilomita (km), decimeter (dm), centimita (cm), millimeter (mm), mita siliki (dmm), santimita (cmm), micrometers (μm) , nanometers (nm), picometers (pm), femtometers (fm), ammeters (am), da dai sauransu.
Alakar musanya su da mita ita ce kamar haka:
1PM =1×10^15m
1Gm = 1×10^9m
1mm = 1×10^6m
1km=1×10^3m
1dm=1×10^(-1)m
1cm=1×10^(-2)m
1mm=1×10^(-3)m
1dmm = 1×10^(-4)m
1cm = 1×10^(-5)m
1μm=1×10^(-6)m
1nm = 1×10^(-9)m
1pm=1×10^(-12)m
1fm=1×10^(-15)m
1am=1×10^(-18)m
Lokacin aikawa: Maris 22-2024