PHYSICS 12th Class MCQs CHAPTER NO.10 NUCLEAR PHYSICS Test No.2

Physics MCQs 2nd Year Chapter No.10 Nuclear Physics Test No.2, FSc, Grade 12, Second Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Questions Answers Quiz Notes in Pdf Download, All Old Board Papers included, All Queries reply within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

PHYSICS – 2nd Year
Chapter Name : NUCLEAR PHYSICS
Chapter No. 10 [ Test No. 2 ]
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.
 








Book Name :  PHYSICS
Chapter No.  10 (Test No.  2 )
Chapter Name : NUCLEAR PHYSICS 
Total MCQ from Text Book :  157
Book Version  :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc. Intermediate)
Total Marks : 157
Total Time :   157 minutes




34

GRADE 12 - PHYSICS CHAPTER NO.10 NUCLEAR PHYSICS Test No. 2

GRADE 12 - PHYSICS CHAPTER NO.10 NUCLEAR PHYSICS Test No. 2

1 / 157

A Wilson cloud chamber uses

2 / 157

Nucleus consists of

3 / 157

The most stable element is

4 / 157

One-eighth of the initial mass of a certain radioactive isotope remain undecayed after one hour. Which of the following is the half life of isotope in minutes?

5 / 157

Fusion reaction takes place at high temperature because

6 / 157

When a nucleus emits an alpha particle, its atomic mass decreases by (GRW 2016)

7 / 157

The building blocks of protons and neutrons are called: (LHR 2016 Group I)

8 / 157

The ionization energy of an atom compared to the binding energy of a nucleus is

9 / 157

The dead time of G.M tube is: (SWL 2015)

10 / 157

The ionization power of β particles

11 / 157

The unit of radioactivity "curie" is equal to

12 / 157

Various types of cancer are treated by

13 / 157

The reciprocal of the decay constant of a radioactive substance is known as

14 / 157

A pair of quark and anti-quark make a (SGD 20115 Group I)

15 / 157

The uncontrolled fission chain reaction results into the formation is

16 / 157

Hydrogen atoms with only one proton in its nucleus and one electron in its orbit is called

17 / 157

Half life of U-238 is: (MTN 2015 Group I)

18 / 157

The LMFBR(fast reactor) reactr utilizes

19 / 157

The total number of protons in any atom are always equal to its number of

20 / 157

In the equation, &inc; = -λ&inc; t λ is called

21 / 157

Average number of neutrons produced in each fssion reaction are

22 / 157

β-particles carries a charge

23 / 157

Electrons are: (MTN 2015 Group II)

24 / 157

Gamma(γ) rays consists of stream of

25 / 157

Gamma rays from cobalt-60 are used for the treatment of: (RWP 2015)

26 / 157

Fundamental forces of nature are

27 / 157

β-particle is regarded as fast moving

28 / 157

The moderator used in a nuclear reactor is: (LHR 2016 Group II)

29 / 157

The number isotopes of hydrogen are

30 / 157

The number of Quarks are (SGD 2015 Group II)

31 / 157

Radioactivity happens due to the disintegration of

32 / 157

Which of the following is the pair of isobars

33 / 157

In beta-decay, which one of the following reactions take place

34 / 157

Track of γ-rays is

35 / 157

The half life of a radioactive element is given by:

36 / 157

A proton consists of quarks which are: (GRW 2015)

37 / 157

The elements showing radiactivity have atomic number Z

38 / 157

Th minimum mass of fissionable material for self-sustaining chain reactor is called

39 / 157

With emission of β-particle from the nucleus, the ratio of neutron to proton

40 / 157

Electromagnetic force is

41 / 157

The binding energy per nucleus for uranium is about

42 / 157

The particles equal in mas or greater than protons are called: (MTN 2015 Group I)

43 / 157

Alpha(α) particles are

44 / 157

When a nucleus emits alpha particle, its charge number decreases by

45 / 157

The value of 1 mass = (SGD 2015 Goup II)

46 / 157

The activity of radioactive sample: (LHR 2016 Group II)

47 / 157

The thin wire in the centre of G.M. tube is

48 / 157

Electric and magnetic forces were unified by:

49 / 157

After present unification, the number of fundamental forces are

50 / 157

The number of protons in any atom are always equal to its number of

51 / 157

When an α-particle collides with an atom of a gas, it knocks out

52 / 157

The energy released in the nuclear fission appears in the form of

53 / 157

The binding energy per neucleon is maximum for: (RWP 2015)

54 / 157

Radiation detectors are used to

55 / 157

During fission process, the energy release per nucleon is about

56 / 157

Half life of a radioactive element T1/2 is given by: (FSD 2015)

57 / 157

Structure of the nucleus was explained by

58 / 157

Marie Curie and Pierre Curie discovered two new radioactive elements which are

59 / 157

The process in which two or more light nuclei combine together to form heavier nuclei with release of energy is called

60 / 157

Hydrogen atom with only one proton and two neutrons in its nuceleus and one electron in its orbt is called

61 / 157

Xenon has 36 isotopes while cesium has ___________ isotopes

62 / 157

The source of solar energy is mainly due to

63 / 157

Wilson cloud chamber is based on the principle that supersaturated vapors condense more readily on

64 / 157

In heavier elements

65 / 157

The half life of a radioactive element which ahas only 1/32 of its orininal mass left after a lapse of 60 days is

66 / 157

The background radiation to which we are exposed on the average is

67 / 157

Which of the following is a better shield against γ-rays?

68 / 157

Which of the following is the percentage of the original quantity of a radioactive material left after fie half-lives approximately

69 / 157

The average life of the radioactive substance is

70 / 157

Cloud chamber was invented by

71 / 157

The isotope 11H contain

72 / 157

A particle having the mass of electron and charge of proton is called

73 / 157

Nuclei having same charge number but different mass number are called

74 / 157

The charge on an Alpha particle is equal to: (BWP 2015)

75 / 157

Which one of the following is a radiation detector?

76 / 157

Using relativistic effects the location of an air craft after an hr flight can be predicted about (BWP 2015)

77 / 157

In fusion reaction, the energy released per nucleon is about(in p-p chain reaction)

78 / 157

In the fission of 235._________ energy per nucleon is emitted

79 / 157

A pair of Quark and Anti Qurak makes a: (BWP 2015)

80 / 157

The moderators used in faster reactor is:

81 / 157

Absorbed Dose "D" is defined as: (SWL 2015)

82 / 157

Half life of Uranium-239 is: (MTN 2015 Group II)

83 / 157

Circulation of Blood can be studied by using Radioactive Isotope: (BWP 2015)

84 / 157

When a nucleus emits β-particle its mass number remains constant but charge number increases by:

85 / 157

α, β and γ rays are emitted from a radioactive substances

86 / 157

PWR stands for

87 / 157

The time required for a radioactive material to decrease in activity by one half is called

88 / 157

The SI unit of equivalent dose in Sievert(Sv) and

89 / 157

Which of the following is energy equivalent to one microgarm (1μgm)?

90 / 157

The number of neutrons in any nucleus can be given by

91 / 157

The number of protons or electrons in an atom is called

92 / 157

In a nuclear reactor, cadmium rods are used to

93 / 157

Hydrogen atom with only one proton and one neutron in its nucleus and one electron in its orbit is called

94 / 157

When a nucleus emits an alpha particles. Its atomic mass decreases by:

95 / 157

Subatomic particles are divided into:

96 / 157

Weak nuclear force is

97 / 157

What was the fissionable material used in the atomic bomb droped at Nagasaki(Japan) in the year 1945?

98 / 157

photoelectric effect take place when energy of γ-rays:

99 / 157

Phophorus-32 or strontium-90 are used for the tratment of

100 / 157

γ - rays are electromagnetic waves like

101 / 157

Electromagnetic and weak forces were unified by

102 / 157

Natural uranium is a low grade fuel, it is due to high percentage of

103 / 157

The working principle of LMFBR (fast reactor) is to convert 23892U into

104 / 157

γ-emission from the nucleus of an atom causes a (SGD 2015 Group II)

105 / 157

Which of the following is not affected by the electric or magnetic field?

106 / 157

Consider α - particles, β - particles and r-rays each having an energy of 0.5MeV. In increasing order of penetrating power. The radiations ae

107 / 157

Which of the following are not hadrons? (RWP 2016)

108 / 157

1u = _____________

109 / 157

In Wilson cloud chamber, track of &beta-particles is

110 / 157

The ionization power of α-particles is

111 / 157

In fusion reaction, when two deutrons are merged to form helium nucleus, the energy released is

112 / 157

Artificial radiaoactivity was discovered by

113 / 157

Isotopes of the nucleus of uranium are:

114 / 157

Enriched uranium is better as a fuel for a nuclear reactor because it has greater proportion of

115 / 157

Gamma rays carries a charge

116 / 157

Subatomic particles are divided into:

117 / 157

Which of the following is a good nuclear fuel?

118 / 157

The rate of decay of radioactive substance

119 / 157

In alpha decay

120 / 157

1u (unified mass scale) is equivalent to

121 / 157

When two deutterium nuclei fuse together to form a tritium nucleus, we get a

122 / 157

When γ-rays are emitted, the nuclear mass (RWP 2016)

123 / 157

Geiger Muller counter is not used for

124 / 157

One gary(Gy) is equal to: (GRW 2016)

125 / 157

Ultra violet rays can cause

126 / 157

Charged particles α or β and γ radiation produce fluorescenece in

127 / 157

Of the three basic gravitational, electrostatic and nuclear forces, which two are able to provide an attractive force between two neutrons?

128 / 157

A radioactive substance has a half life of 4 months. Three-fourth of the substance will decays in

129 / 157

Binding energy for deuteron nucleus is given by: (LHR 2015 Group I)

130 / 157

If Fpp and Pnn and Ppn denotes, respectively the nuclear forces between two protons, between two neutrons and between proton and neutron then

131 / 157

Nuclei of different elements are identified by their

132 / 157

Beta(β)particles are:

133 / 157

In the reaction X + 178O → 117N + 42He, X is?

134 / 157

When a charged particle passes through matter, it produces ionization, this effect is used in

135 / 157

One gray(Gy) is equal to

136 / 157

Curie is a unit of

137 / 157

The particles equal in mass or greater than protons are called

138 / 157

α - particle carries a change: (GRW 2015)

139 / 157

A radioactive isotope X with half life of 1.37 x 109 years decays to Y which is stable. A samp[le of rocks from the moon was found to conain both X and Y in the ratio of 1:7 Which of the following is the age of rocks?

140 / 157

In Wilson cloud chamber, track of &alpha-particles is

141 / 157

The number of basic forces present in nature are

142 / 157

92U nucleus emits two α-particles and two β-particles and transforms into a thorium nucleus. Which of the following is the mass number and atomic number of the thorium nucleus so produced?

143 / 157

Dr. Abdul Salam was awarded noble prize in

144 / 157

In fission reaction, heavy water is used as a

145 / 157

The number o neutrons in the nucleus of 23592U are

146 / 157

By placing Wilson cloud chamber is strong magnetic field we can get information about_________of incident particle

147 / 157

The constituents of nucleus are held together b

148 / 157

The partilces lighter than protons are called

149 / 157

The chemical properties of all the isotopes of an element are

150 / 157

An old unit, the rem is equal to

151 / 157

Both Xenon and cesium each have (D.G.Khan 2015 Group I)

152 / 157

For the treatment of skin diseases

153 / 157

Total charge on any nucleus is

154 / 157

Hydrogen bomb is an example of

155 / 157

The relation between rad and Gy is

156 / 157

The number of protons in any atom are always equal to the number of: (LHR 2016 Group I)

157 / 157

The probability of a radioactive atom to survive 5 times longer than its half period is

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The average score is 40%

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