Atomic and Nuclear Physics:

The most interesting and important Subject Physics of 10th Class Chapter-18. Student want to know the important Questions and  physics notes for 10th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

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Physics Ch#18, 10th Class

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1 / 56

When Uranium (98 protons) ejects a beta particle, how many protons are let in the remaining nucleus?

92 Protons

93 Protons

91 Protons

89 Protons

2 / 56

The atomic number is represented by_______

N

Z

None of these

A

3 / 56

The number of protons and neutrons in a nucleus or atomic mass is represented by______

None of these

Z

N

A

4 / 56

Stable nuclei have atomic number between__________

1-82

2-89

2-85

2-88

5 / 56

The temperature of the center of sun is _________

02 Million Kelvin

24 Million Kelvin

29 Million Kelvin

20 Million Kalvin

6 / 56

The mass of the proton and neutron is nearly equal to___________

• 1.67 x 10^-27 kg
• 1.67 x 10^-31 kg
• 1.67 x 10^-19kg
• 1.67 x 10^-21 kg

which Option is Correct ?

Option-2

Option-1

Option-4

Option-3

7 / 56

The reason carbon dating works is that __________

There is so much non-radioactive carbon dioxide in the air

Plants and animals are such strong emitters of carbon-14

When a plant or an animal die

After plant of animal dies, it stops taking in fresh carbon-14

8 / 56

Mass energy equation and theory of relativity was given by___________

Quantum

Einstein

Newton

Volta

9 / 56

Who accidentally discovered that uranium salt crystals emit an invisible radiation that can darken a photographic plate?

Marie Curie

Rutherford

Pierre

Becquerel

10 / 56

The stable argon nuclide Ar-40 half life___________

• 2.4 x 10⁸ years
• 2.69 x 10⁴ years
• 2.5 x 10⁹ years
• 2.4 x 10¹¹ years

Which Option is Correct ?

Option-2

Option-1

Option-4

Option-3

11 / 56

During fission of 1kg of Uranium -235 energy released is ___________

• 67 x 10¹⁰J
• 65 x 10⁸J
• 60 x 10⁸J
• 66 x 10⁹J

Which Option is Correct ?

Option-3

Option-2

Option-1

Option-4

12 / 56

Isotopes are atoms of same element with different _______

Number of Electrons

Atomic Mass

Atomic Number

Number of Protons

13 / 56

Stream of high energy electrons_____________

∑-particles

γ-particles

α particles

β-Particles

14 / 56

Which Radioactive isotope is used for curing cancerous tumors and cells?

Co-60

C-14

P-32

I-131

15 / 56

6

10

8

3

16 / 56

Which option is Correct

Option-4

Option-3

Option-2

Option-1

17 / 56

Tritium contains one proton, while protium and deuterium contains_________

Two Protons

Three Protons

One Protons

No Proton

18 / 56

The phenomenon by which radiations split matter into positive and negative ion is called ____

Sublimation

Penetration

Deflection

Ionization

19 / 56

In which simplest atom, nucleus has only one proton?

Carbon

Nitrogen

Helium

Hydrogen

20 / 56

One of the isotopes of uranium is U(238-92)  the number of neutrons in this isotope is ___________

92

146

330

238

21 / 56

What happens to the atomic number of an element which emits 1 alpha particle?

Decreases By 1

Stays the Same

Increases By 1

Decreases By 2

22 / 56

Radium-226 has a half-life of _____________

1820 years

1620 years

1920 years

1600 years

23 / 56

The total number of protons in a nucleus or total number of electrons in the orbits is __________

Atomic Number

Atomic mass number

Isotope number

none of these

24 / 56

Which Option is Correct ?

Option-4

Option-2

Option-1

Option-3

25 / 56

Which statement is correct about isotopes?

Atoms of an element have same number of protons.

Protium, deuterium and tritium are isotopes of hydrogen

Atoms of an element have different number of neutrons in their nuclei

All of these

26 / 56

Which among the following radiations has more penetrating power?

An Alpha Particle

A Gamma Ray

A Beta Particle

All Have the Same Penetrating Capability

27 / 56

Which compound readily accumulated in the thyroid gland and can be used for monitoring of thyroid functioning?

1-131

1-129

1-132

1-130

28 / 56

Hazards of radiation for humans are_____________

Blindness

All Given

Leukemia

Sterility

29 / 56

When two lights nuclei combine to form a heavier nucleus, this process is called_______

Disintegration

Nuclear Fission

Nuclear Fusion

Bombardment

30 / 56

Penetrating power of γ rays as compared to α rays and β rays is __________

Equal

Smaller

Greater

Anyone of these

31 / 56

Atoms of the element which have same number of protons but different number of neutrons are__________

Isotopes

None of these

Nuclide

Both Isotopes & Nuclide

32 / 56

Half-life of   (60-27)Co is _________

50 years

20 years

40 years

30 years

33 / 56

____________ are collectively called nucleons.

electrons in shell

neutrons in nucleus

Protons in nucleus

Protons and Neutrons in Nucleus

34 / 56

Charge on alpha particles is ________

3e

4e

2e

5e

35 / 56

The rate of radioactive decay is proportional to the number of __________

Proton Present

Electrons Present

Unstable Nuclei Present

Stale Nuclei Present

36 / 56

The half life of a certain isotope is 1 day. What is the quantity of the isotope after 2 days?

None of these

One Eight

One half

One Quarter

37 / 56

Rutherford discovered that the positive charge in an atom was concentrated in a small region called__________

Shell

Atom

Molecule

Nucleus

38 / 56

When a tree dies, which radioactive isotope present in plant starts decaying?

P-32

C-14

I-131

Co-60

39 / 56

The earth and all living things receive radiation from outer space which name is __________

None of these

X-Rays

Cosmic Rays

Radon Gas

40 / 56

Nuclear fission was first observed in 1939 by__________

Otto Hahn and Rutherford

First and Curie

Otto Han and Curie

Otto Hahn and Frits Strassman

41 / 56

Which are chemical compounds containing some quantity of radioisotope?

Radioactive Tracer

High Energy Compounds

Soft Compounds

Hard Compounds

42 / 56

Which compound is used for diagnosis of brain tumor?

Neon-152

hydrogen-3

Phosphorus-32

iodine-131

43 / 56

The number of neutrons in a nucleus is represented by_______

N

Z

A

None of these

44 / 56

Isotopes of an element have the same____________

Colors

Atomic Mass Number

Atomic Number

Chemical Properties

45 / 56

Elements are naturally unstable having atomic number greater than_________

84

82

88

89

46 / 56

Half-life of plutonium (236 96 Pu) is 2.85 years and 242 94 Pu is _____________

• 3.79 x 10⁵ years
• 7.1 x 10⁸ years
• 2.85 years
• 7.1 x 10¹⁰ years

Which Option is Correct ?

Option-2

Option-1

Option-4

Option-3

47 / 56

Release of energy by the sun is due to ________

Chemical Reaction

Nuclear Fission

Nuclear Fusion

Burnings of Gases

48 / 56

When heavy nucleus splits into two lighter nuclei, the process would _____________

Release Nuclear Energy

Absorb Nuclear Energy

Release Chemical Energy

Absorb Chemical Energy

49 / 56

Gamma rays are also called __________

Photons

Protons

Electrons

Positrons

50 / 56

In order to find the intensity of radiations, which device can be used?

Both "Film Badge" & "Dosimeter"

Film Badge

Radiometer

Dosimeter

51 / 56

Transmutation is _____________

No spontaneous process

Both "Unstable nuclei changes into stale nuclei" & "Spontaneous process"

Unstable nuclei changes into stale nuclei

Spontaneous process

52 / 56

A nucleon is _________ times heavier than electron.

1841

1827

1832

1836

53 / 56

The total number of nucleons in a nucleus is__________

Atomic number

Atomic Mass Number

none of these

Isotope number

54 / 56

Which have the greatest power of ionization s compared to others?

α-Particle

β-Particles

X-Rays

γ particles

55 / 56

The half-life of C-14 is ______

5730 Years

5700 Years

5202 Years

5720 Years

56 / 56

In each fission reaction energy released__________

299mV

255meV

200MeV

210meV

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Chapter-17 – Information Technology 

Chapter-18 – Atomic and Nuclear Physics

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