radioactive radiation.doc
-
Upload
encik-amir-kamal -
Category
Documents
-
view
222 -
download
0
description
Transcript of radioactive radiation.doc
![Page 1: radioactive radiation.doc](https://reader036.fdocuments.us/reader036/viewer/2022082409/55cf8591550346484b8f774c/html5/thumbnails/1.jpg)
Diagram 8 shows radioactive radiation in an electrical field. Rajah 8 menunjukkan sinaran radioaktif dalam satu medan elektrik.
Diagram 8 Rajah 8
(a) Based on Diagram 8, name the radioactive radiation P, Q and R using the following informations.
Berdasarkan Rajah 8, namakan sinaran radioaktif P, Q dan R menggunakan maklumat berikut.
[3 marks][3 markah]
(b) State one effect of radioactive radiation to human beings. Nyatakan satu kesan sinaran radioaktif terhadap manusia.
_____________________________________________________________________________
Radioactivesource
R : ………………………….
P :
- - - - - - -
+ + + + + + +
Q : ……………………………………
Sumberradioaktif
Negative platePlat negatif
Positive platePlat positif
Gamma radiation (Sinaran gama)
Beta radiation (Sinaran beta)
Alpha radiation (Sinaran alfa)
P : ……………………………..
R : ……………………………..
Q : ……………………………..
![Page 2: radioactive radiation.doc](https://reader036.fdocuments.us/reader036/viewer/2022082409/55cf8591550346484b8f774c/html5/thumbnails/2.jpg)
[1 mark] [1 markah]
(c) Different radioactive radiations have different power of penetration. Circle a substance that can be used to block gamma radiation.
Sinaran radioaktif yang berbeza mempunyai kuasa penembusan yang berbeza. Bulatkan bahan yang boleh digunakan untuk menghalang sinaran gama.
A sheet of paper Aluminium plate Lead block Sehelai kertas Kepingan aluminium Blok plumbum
[1 mark][1 markah]
(d) Mark ( √ ) the radioisotopes used in agriculture field. Tandakan ( √ ) bagi radioisotop yang digunakan dalam bidang pertanian.
Uranium-238Uranium-238
Sodium-24Natrium-24
Cobalt-60Kobalt-60
Phosphorus-32Fosforus-32
[1 mark]
[1 markah]