| Five yen (Japan) | |
|---|---|
| Value: | 5 Japanese yen |
| Mass: | 3. 75 g |
| Diameter: | 22 mm |
| Thickness: | 1. For other uses of the words gram or gramme see Gram (disambiguation. The Millimetre ( American spelling: millimeter, symbol mm) is a unit of Length in the Metric system, equal to 5 mm |
| Edge: | |
| Composition: | c. 65% Cu c. Copper (ˈkɒpɚ is a Chemical element with the symbol Cu (cuprum and Atomic number 29 35% Zn |
| Years of minting: | 1959–present |
| Catalog number: | KM 72, 72a, 96. Zinc (ˈzɪŋk from Zink is a Metallic Chemical element with the symbol Zn and Atomic number 30 1 and 96. 2 |
| Obverse | |
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| Design: | Rice ,water and gear |
| Designer: | "Old script" |
| Design date: | |
| Reverse | |
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| Design: | Tree sprouts |
| Designer: | "new script" |
| Design date: | |
The 5 yen coin (五円硬貨 Go-en kōka?) is one denomination of Japanese yen. For a topic outline on this subject see List of basic Japan topics. The current design was first minted in 1959 using Japanese characters known as the "new script", and were also minted from 1949-1958 using "old-script" Japanese characters. The year 1959 ( MCMLIX) was a Common year starting on Thursday (link will display full calendar of the Gregorian calendar. Five-yen coins date to 1870 (when, due to the much higher value of the yen, they were minted in gold). Year 1870 ( MDCCCLXX) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common Gold (ˈɡoʊld is a Chemical element with the symbol Au (from its Latin name aurum) and Atomic number 79
The front of the coin depicts a rice plant growing out of the water, with "five yen" written in kanji; the back is stamped with "Japan" and the year of issue, also in kanji, separated by sprouts of a tree. Rice is a Cereal foodstuff which forms an important part of the diet of many people worldwide and as such it is a staple food for many are the Chinese characters that are used in the modern Japanese logographic writing system along with Hiragana (ひらがな 平仮名 Katakana The three graphic elements of the coin represent agriculture, forestry and fisheries, the key elements of the Japanese first-sector economy. Around a hole, there is a gear that represent industry. This is the page for mechanical Gears For other uses see Gear (disambiguation For the gear-like device used to drive a roller chain see Sprocket It is the only Japanese coin in circulation to lack Arabic numerals on either face. The arabic numerals (often capitalized are the ten Digits (0 1 2 3 4 5 6 7 8 9 which—along with the system
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Cultural significance
The Japanese for "five yen," go en (五円) is a homophone with go-en (ご縁), a word for karma. A homophone is a word that is pronounced the same as another word but differs in meaning Karma ( Sanskrit: कर्म, kárman - "act action performance" Pali: kamma) is the concept of "action" As a result, five-yen coins are commonly given as donations at Shinto shrines, and superstitious Japanese often insert a single five-yen coin into a new wallet before inserting any other money. is the native religion of Japan and was once its State religion. A shrine, from the Latin scrinium (‘box’ also used as a desk like the French bureau) was originally a container usually made of precious materials used A wallet, or billfold, is a small flat case used to carry personal items such as Cash, Credit cards and identification documents such as a Driver's
Use in nuclear accident investigation
Following the nuclear accident at Tokai, Ibaraki in 1999, physicists Masuchika Kohno and Yoshinobu Koizumi showed how this coin could be used to estimate neutron dosage to the surrounding population, by measuring its zinc isotope ratios. is a village located in Naka District, Ibaraki, Japan. It is approximately 120 km north of Tokyo, Japan on the Pacific coast A physicist is a Scientist who studies or practices Physics. Physicists study a wide range of physical phenomena in many branches of physics spanning This article is a discussion of neutrons in general For the specific case of a neutron found outside the nucleus see Free neutron. Zinc (ˈzɪŋk from Zink is a Metallic Chemical element with the symbol Zn and Atomic number 30 Isotopes (Greek isos = "equal" tópos = "site place" are any of the different types of atoms ( Nuclides They write:
- The Japanese 5-yen coin is about 22 millimeters in diameter and 1. main - title Coin keywords numismatics coin review The Millimetre ( American spelling: millimeter, symbol mm) is a unit of Length in the Metric system, equal to Geometry, a diameter of a Circle is any straight Line segment that passes through the center of the circle and whose Endpoints are on the 5 mm thick, weighs 3. 75 grams and has a central hole 5 mm wide. For other uses of the words gram or gramme see Gram (disambiguation. We chose this coin for monitoring neutron exposure because it is widely circulated, the zinc content is precisely controlled, and the 65Zn generated has a convenient half-life (244. Zinc (ˈzɪŋk from Zink is a Metallic Chemical element with the symbol Zn and Atomic number 30 Half-Life (computer-game page here It's already listed in the disambiguation page 1 days) and gamma ray energy emission (1,115. Gamma rays (denoted as &gamma) are a form of Electromagnetic radiation or light emission of frequencies produced by sub-atomic particle interactions 5 keV). To obtain a record of the dosage of neutrons released as a result of the accident, we collected exposed coins from people's houses at distances 100–550 m from the facility. [1]
They concluded that the coin could offer information about the total neutron effect during the accident, and about shielding by modern Japanese houses, given that the coins were recovered from indoors.
References
- ^ Kohno, Masuchika; and Yoshinobu Koizumi (2000). "Tokaimura accident: Neutron dose estimates from 5-yen coins". Nature 406: 693. doi:. A digital object identifier ( DOI) is a permanent identifier given to an Electronic document.
External links
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