Physics 10 Chapter 18 Practice Test 5

ByMuhammad Zaman January 22, 2022October 29, 2022

FBISE Physics Class 10 Chapter 18 Practice Test 5 contains a total of 12 Multiple Choice Questions, each MCQ has 4 options.

Chapter 18 MCQs Tests | Physics 10 MCQs Tests

Physics 10 Chapter 18 Practice Test 5

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134

Class 10 Physics
Chapter 18
Practice MCQs Test 5

1 / 12

1. The half-life of stable argon nuclide Ar-40 is:

a) 2.4 x 10⁸ years

b) 2.5 x 10⁹ years

c) 2.9 x10⁴ years

d) 2.4 x 10¹¹ years

2 / 12

2. Half – life of ⁶⁰Co_27^is:

a) 50 years

b) 40 years

c) 30 years

d) 20 years

3 / 12

3. The half – life of C – 14 is:

a) 5700 years

b) 5202 years

c) 5730 years

d) 5720 years

4 / 12

4. In each fission reaction energy released:

a) 210meV

b) 299meV

c) 255meV

d) 200meV

5 / 12

5. Hazards of radiation for humans are;

a) All given

b) Leukemia

c) Blindness

d) Sterility

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6. During fission of 1 kg of Uranium – 235, the amount of energy released is:

a) 67 x 10¹⁰J

b) 60 x 10⁸J

c) 65 x 10⁸J

d) 66 x 10⁹J

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7. When two light nuclei combine to form a heavier nucleus, this process is called;

a) nuclear fission

b) disintegration

c) nuclear fusion

d) bombardment

8 / 12

8. The temperature of the centre of sun is;

a) 2 million kelvin

b) 24 million kelvin

c) 20 million kelvin

d) 29 million kelvin

9 / 12

9. Nuclear fission was first observed in 1939 by:

a) Pilo Hahn and Curie

b) Otto Hahn and Rutherford

c) Fritz and Curie

d) Otto Hahn and Fritz Strassman

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10. Half – life of plutonium ²³⁶Pu₉₆ is 2.85 years and ²⁴²Pu₉₄ is;

a) 3.79 x 10⁵ years

b) 2.85 years

c) 7.1 x 10⁸ years

d) 7.1 x 10¹⁰ years

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11. In order to find the intensity of radiations, which device (s) is/are used:

a) Radiometer

b) Film badge

c) Both Film badge and Dosimeter

d) Dosimeter

12 / 12

12. Mass energy equation and theory of relativity was given by:

a) Quantum

b) Volta

c) Newton

d) Einstein

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2 Comments

Hajirah says:
April 25, 2024 at 10:56 am
some mcqs dont have the correcr options. pls check this.
In this test mcq 6 and mcq 4 have errors
Reply
1. Muhammad Saeed says:
  April 25, 2024 at 1:25 pm
  Please write the statements and correct answers of MCQs so that we can verify them again.
  Reply

Physics 10 Chapter 18 Practice Test 5

Class 10 Physics Chapter 18 Practice MCQs Test 5

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Class 10 Physics
Chapter 18
Practice MCQs Test 5