Ajụjụ Ihe Nlereanya Na-ekwu Maka Ìhè Gamma na X-ray
Na fiziki, ọkachasị na fiziki nuklia na fiziki ahụike, radieshọn gamma na rays X-ray na-arụ ọrụ dị oke mkpa. Ụdị radieshọn elektrọnik abụọ a nwere ugboro dị elu na ike zuru oke iji banye n'ime ihe siri ike, na-eme ka ha bụrụ ngwaọrụ dị mkpa n'ọtụtụ ojiji, site na ọgwụgwọ kansa ruo na onyonyo ahụike. Isiokwu a ga-enyocha ọtụtụ ihe atụ nsogbu metụtara rays gamma na rays X-ray, yana mkparịta ụka iji mee ka nghọta anyị dịkwuo omimi.
1. Ịghọta Gamma Rays na X-Rays
Ụzarị Gamma
Raịshọn Gamma bụ ụdị raịshọn elektrọnik nke ire ere redioaktivu na nuclei atọm na-emepụta. Raịshọn a nwere ugboro dị elu, karịa 10^19 Hz, yana ogologo ebili mmiri dị mkpụmkpụ, ihe na-erughị picometers 10. Raịshọn Gamma nwere ike ịbanye n'ime oke ma nwee ike ịbanye n'ime akwa ihe dị oke arọ.
X-ray
N'aka nke ọzọ, a na-emepụta X-ray site na mgbanwe elektrọn na atọm, ọkachasị mgbe elektrọn sitere na shei dị n'ime dochie elektrọn sitere na shei dị n'ime nke na-agbadata iji dochie ha. Ugboro nke X-ray sitere na 10^16 Hz ruo 10^21 Hz, yana ogologo ebili mmiri dị n'etiti 0.01 nm na 10 nm. A na-ejikarị X-ray eme ihe n'ọtụtụ ebe na redio ahụike na X-ray crystallography.
2. Ajụjụ na Mkparịta ụka Ihe Nlereanya
Ajụjụ Ihe atụ nke 1: Ike Gamma Ray
Ajụjụ:
Ìhè ụzarị gamma nwere ogologo ebili mmiri nke 0.01 nm. Gbakọọ ike foton nke gamma ray. (Jiri oge Planck's h = 6.626 x 10^-34 Js na ọsọ nke ìhè c = 3 x 10^8 m/s).
Azịza:
Enwere ike ịgbakọ ike foton site na iji usoro a:
\[ E = \frac{h \cdot c}{\lambda} \]
A maara:
– Ogologo ebili mmiri (λ) = 0.01 nm = 0.01 x 10^-9 m = 10^-11 m
– Planck nke na-agbanweghi agbanwe (h) = 6.626 x 10^-34 Js
– Ọsọ nke ìhè (c) = 3 x 10^8 m/s
\[ E = \frac{6.626 \ugboro 10^{-34} \ugboro 3 \ugboro 10^8}{10^{-11}} \]
\[ E = \frac{19.878 \ugboro 10^{-26}}{10^{-11}} \]
\[ E = 1.9878 \ugboro 10^{-14} \text{J} \]
Ya mere, ike nke gamma ray photon bụ 1.9878 x 10^-14 J.
Ajụjụ Ihe atụ nke 2: Mmịpụta X-Ray
Ajụjụ:
Ihe dị na ya na-amịkọrọ pasentị iri asaa nke ike X-ray ndị na-agafe na ya. Ọ bụrụ na ike X-ray mbụ bụ 5 W/m^2, kedu ka ike X-ray ndị ahụ si dị mgbe ha gafere ihe ahụ?
Azịza:
Enwere ike ịgbakọ ike ikpeazụ nke X-ray (\(I_{ikpeazụ}\)) site na iwepụ ike nke ihe ahụ na-amịkọrọ site na ike mbụ (\(I_{mmalite}\)).
\[ I_{ikpeazụ} = I_{initial} – (I_{initial} \times \text{pasent absorption}) \]
\[ I_{ngwụcha} = 5 \, \ederede{W/m}^2 – (5 \, \ederede{W/m}^2 \ugboro 0.70) \]
\[ I_{ngwụcha} = 5 \, \ederede{W/m}^2 – 3.5 \, \ederede{W/m}^2 \]
\[ I_{ngwụcha} = 1.5 \, \ederede{W/m}^2 \]
Ya mere, ike nke X-ray mgbe ọ gafere ihe ahụ bụ 1.5 W/m^2.
Ajụjụ Ihe Nlereanya nke 3: Ntụnyere nke Gamma Ray na X-Ray Pentration
Ajụjụ:
Ọ bụrụ na ụzarị gamma na ụzarị X-ray nwere ike nke 1 MeV na 100 keV n'otu n'otu, kedu nke ka mma ịbanye n'ime ihe siri ike na gịnị kpatara ya?
Azịza:
Ike nke radieshon elektrọnik ịbanye n'ime ihe dabere nke ukwuu n'ike nke foton ya. Ka ike foton dị elu, otú ahụ ka ikike ya ịbanye n'ime ihe ahụ si dịkwuo elu.
– Ike gamma ray: 1 MeV (1 MeV = 1 x 10^6 eV)
- ike X-ray: 100 keV (100 keV = 100 x 10 ^ 3 eV)
1 MeV karịrị 100 keV, yabụ gamma radieshọn nwere ike karịa X-ray. Ya mere, gamma radieshọn nwere ike ịbanye n'ime ihe siri ike karịa X-ray.
Ihe atụ Ajụjụ nke 4: Ojiji nke Gamma Rays n'ọgwụ
Ajụjụ:
N'ọgwụgwọ redio nke kansa, a na-ebuga ike gamma radieshon n'otu dose kpọmkwem na anụ ahụ metụtara. Ọ bụrụ na ike dose achọrọ bụ 2 Grays (Gy) na gamma ray flux bụ 0.4 Gy/min, ogologo oge ole ka ọgwụgwọ ahụ kwesịrị ịdịru?
Azịza:
Iji chọpụta oge ọgwụgwọ ahụ, anyị nwere ike iji mmekọrịta dị n'etiti mkpokọta dose, usoro dose, na oge.
\[ \text{Ngụkọta dose} = \text{Ngụkọta dose} \times \text{Oge} \]
\[ 2 \, \text{Gy} = 0.4 \, \text{Gy/min} \times \text{Oge} \]
Ya mere, oge ọgwụgwọ bụ:
\[ \text{Oge} = \frac{2 \, \text{Gy}}{0.4 \, \text{Gy/min}} \]
\[ \text{Oge} = 5 \, \text{nkeji} \]
Ya mere, a ga-eme ọgwụgwọ ahụ maka nkeji ise.
Ajụjụ Ihe Nlereanya nke 5: Itinye X-ray n'ọrụ na onyonyo ahụike
Ajụjụ:
N'ihe onyonyo X-ray, ihe na-ebuga X-ray na-ewepụta radieshon ruo sekọnd 0.1 n'ihe ma mepụta ihe nkiri nwere njupụta onyonyo ụfọdụ. Ọ bụrụ na agbanwee ihe na-ebuga ya ka ọ na-ewepụta radieshon ruo sekọnd 0.2, kedu ka njupụta onyonyo dị na ihe nkiri ahụ ga-esi gbanwee?
Azịza:
Njupụta nke onyonyo dị na ihe nkiri X-ray kwekọrọ kpọmkwem na ọnụọgụ radieshon nke ihe nkiri ahụ natara. Site na okpukpu abụọ nke oge mkpughe site na sekọnd 0.1 ruo sekọnd 0.2, ọnụọgụ radieshon natara ga-amụbakwa okpukpu abụọ.
Ya mere, njupụta nke onyinyo dị na ihe nkiri ahụ ga-abụkwa okpukpu abụọ karịa nke ahụ.
Penutup
Raịshọn Gamma na X-ray bụ ụdị abụọ nke raịshọn elektrọnik na-arụ ọrụ nke ọma, nke nwere ọtụtụ ojiji n'ọtụtụ ngalaba dị iche iche. Site na ihe atụ na mkparịta ụka ndị dị n'elu, anyị ahụla otu esi etinye echiche ndị a bụ isi nke physics radieshon n'ọrụ na mgbakọ na mwepụ bara uru na ojiji kwa ụbọchị dịka ọgwụgwọ redio kansa na onyonyo ahụike.
Ịghọta usoro ọrụ na ihe ndị dị na ụdị radieshon abụọ a ga-enyere anyị aka iji teknụzụ ndị metụtara ya nke ọma ma melite ịdị mma nke ndụ na ahụike ọha site na iji ngwa ahụike ọhụrụ.
