10th class physics chapter 9 numerical

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

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

Z

None of these

N

A

2 / 56

____________ are collectively called nucleons.

neutrons in nucleus

electrons in shell

Protons in nucleus

Protons and Neutrons in Nucleus

3 / 56

The number of neutrons in a nucleus is represented by_______

A

N

None of these

Z

4 / 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-1

Option-2

Option-3

Option-4

5 / 56

Hazards of radiation for humans are_____________

All Given

Leukemia

Sterility

Blindness

6 / 56

Radium-226 has a half-life of _____________

1620 years

1920 years

1820 years

1600 years

7 / 56

Mass energy equation and theory of relativity was given by___________

Volta

Newton

Quantum

Einstein

8 / 56

The atomic number is represented by_______

N

Z

A

None of these

9 / 56

The half-life of C-14 is ______

5730 Years

5720 Years

5700 Years

5202 Years

10 / 56

Which among the following radiations has more penetrating power?

An Alpha Particle

A Gamma Ray

All Have the Same Penetrating Capability

A Beta Particle

11 / 56

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

Becquerel

Pierre

Marie Curie

Rutherford

12 / 56

The total number of nucleons in a nucleus is__________

Isotope number

Atomic Mass Number

none of these

Atomic number

13 / 56

Which compound is used for diagnosis of brain tumor?

hydrogen-3

iodine-131

Phosphorus-32

Neon-152

14 / 56

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

Release Nuclear Energy

Absorb Chemical Energy

Absorb Nuclear Energy

Release Chemical Energy

15 / 56

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

Sublimation

Deflection

Penetration

Ionization

16 / 56

Which statement is correct about isotopes?

Atoms of an element have same number of protons.

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

All of these

Protium, deuterium and tritium are isotopes of hydrogen

17 / 56

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

92 Protons

91 Protons

93 Protons

89 Protons

18 / 56

Gamma rays are also called __________

Positrons

Photons

Electrons

Protons

19 / 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-2

Option-1

Option-3

Option-4

20 / 56

Which Option is Correct ?

Option-2

Option-4

Option-3

Option-1

21 / 56

Stream of high energy electrons_____________

∑-particles

β-Particles

α particles

γ-particles

22 / 56

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

330

92

146

238

23 / 56

Isotopes of an element have the same____________

Atomic Mass Number

Chemical Properties

Atomic Number

Colors

24 / 56

The reason carbon dating works is that __________

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

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

When a plant or an animal die

Plants and animals are such strong emitters of carbon-14

25 / 56

6

8

3

10

26 / 56

Tritium contains one proton, while protium and deuterium contains_________

No Proton

One Protons

Two Protons

Three Protons

27 / 56

Isotopes are atoms of same element with different _______

Number of Protons

Atomic Mass

Number of Electrons

Atomic Number

28 / 56

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

Nuclide

None of these

Both Isotopes & Nuclide

Isotopes

29 / 56

A nucleon is _________ times heavier than electron.

1841

1827

1836

1832

30 / 56

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

Proton Present

Stale Nuclei Present

Electrons Present

Unstable Nuclei Present

31 / 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-3

Option-4

Option-1

Option-2

32 / 56

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

Isotope number

none of these

Atomic mass number

Atomic Number

33 / 56

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

Molecule

Shell

Nucleus

Atom

34 / 56

Charge on alpha particles is ________

3e

4e

5e

2e

35 / 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-3

Option-4

Option-1

36 / 56

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

Greater

Anyone of these

Equal

Smaller

37 / 56

Release of energy by the sun is due to ________

Burnings of Gases

Nuclear Fusion

Chemical Reaction

Nuclear Fission

38 / 56

Transmutation is _____________

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

Unstable nuclei changes into stale nuclei

Spontaneous process

No spontaneous process

39 / 56

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

Radon Gas

X-Rays

None of these

Cosmic Rays

40 / 56

In each fission reaction energy released__________

299mV

255meV

200MeV

210meV

41 / 56

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

β-Particles

X-Rays

α-Particle

γ particles

42 / 56

The temperature of the center of sun is _________

24 Million Kelvin

20 Million Kalvin

02 Million Kelvin

29 Million Kelvin

43 / 56

Stable nuclei have atomic number between__________

1-82

2-88

2-89

2-85

44 / 56

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

Co-60

C-14

I-131

P-32

45 / 56

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

C-14

P-32

Co-60

I-131

46 / 56

Elements are naturally unstable having atomic number greater than_________

82

89

84

88

47 / 56

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

One half

None of these

One Quarter

One Eight

48 / 56

Half-life of   (60-27)Co is _________

50 years

30 years

20 years

40 years

49 / 56

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

Disintegration

Bombardment

Nuclear Fission

Nuclear Fusion

50 / 56

In which simplest atom, nucleus has only one proton?

Carbon

Helium

Hydrogen

Nitrogen

51 / 56

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

1-131

1-132

1-129

1-130

52 / 56

Which are chemical compounds containing some quantity of radioisotope?

Soft Compounds

Radioactive Tracer

Hard Compounds

High Energy Compounds

53 / 56

Which option is Correct

Option-2

Option-1

Option-4

Option-3

54 / 56

Nuclear fission was first observed in 1939 by__________

Otto Hahn and Frits Strassman

Otto Han and Curie

First and Curie

Otto Hahn and Rutherford

55 / 56

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

Stays the Same

Decreases By 1

Decreases By 2

Increases By 1

56 / 56

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

Film Badge

Radiometer

Both "Film Badge" & "Dosimeter"

Dosimeter

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Chapter wise PDF Notes / Problems / Numerical Solution of Physics

Chapter-10 – Simple Harmonic Motion and Waves

Chapter-11 – Sounds

Chapter-12 – Geometrical Optics 

Chapter-13 – Electrostatics

Chapter-14 – Current Electricity

Chapter-15 – Electromagnetism 

Chapter-16 – Basic Electronics 

Chapter-17 – Information Technology 

Chapter-18 – Atomic and Nuclear Physics

Pairing Scheme for 2022 – Physics 10th Class

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