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PHYSICS FIZIK KSSM F5: CHAPTER 6.1

Authored by UMAIR MOHAMAD

Physics

11th - 12th Grade

Used 45+ times

PHYSICS FIZIK KSSM F5: CHAPTER 6.1
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“A process in which an unstable nucleus becomes more stable by emitting radioactive radiation.” The following statement is the definition of

“Proses nukleus tidak stabil menjadi nukleus stabil dengan memancarkan sinaran radioaktif.” Pernyataan berikut adalah definisi bagi

Half life

Separuh hayat

Radioactive decay

Reputan radioaktif

Nuclear fission

Pembelahan nukleus

Nuclear fusion

Pelakuran nukleus

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

State the radioactive radiation that can be produced from radioactive decay.

Nyatakan sinaran radioaktif yang dapat dihasilkan daripada reputan radioaktif.

Alpha particle

Zarah alpha

Zeta rays

Sinaran zeta

Beta particle

Zarah beta

Gamma rays

Sinaran gama

Delta particle

Zarah delta

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“The time taken for a sample of radioactive nuclei to decay to half of its initial number.” The following statement refers to

“Masa yang diambil untuk separuh daripada bilangan asal nukleus radioaktif bagi suatu sampel radioaktif mereput.” Pernyataan berikut merujuk kepada

Semi life

Setengah hayat

Half life

Separuh hayat

Radioactive decay

Reputan radioaktif

Radioactivity

Keradioaktifan

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sample of radioactive material stored in the laboratory has an initial activity of 480 s–1. If its half-life is 4.5 minutes, how much is its activity after 27 minutes?

Suatu sampel bahan radioaktif yang disimpan di dalam makmal mempunyai kereaktifan awal 480 s–1. Jika separuh hayatnya ialah 4.5 minit, berapakah keaktifannya selepas 27 minit?

30 s-1

15 s-1

7.50 s-1

3.75 s-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A radioactive material stored in the laboratory has a half-life of 7 days. Calculate the number of days taken for the activity of a sample of radioactive material to reduce by 75% of its initial activity.

Suatu bahan radioaktif yang disimpan di dalam makmal mempunyai separuh hayat 7 hari. Hitungkan bilangan hari yang diambil untuk keaktifan bahan radioaktif menurun sebanyak 75% daripada keaktifan asalnya.

28 days

28 hari

21 days

21 hari

14 days

14 hari

7 days

7 hari

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Within a period of 60 days, ⅞ of the original number of radioactive atoms in a sample has decayed. What is the half-life of the sample?

Dalam tempoh 60 hari, ⅞ bilangan atom radioaktif asal suatu sampel telah pun mereput. Apakah nilai separuh hayat sampel itu?

5 days

5 hari

10 days

10 hari

15 days

15 hari

20 days

20 hari

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

how many alpha particle released in this process?

Berapakah bilangan zarah alfa yang dibebaskan dari process ini?

1

2

4

6

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