Second Year Physics Chapter 21 Online MCQ Test for 2nd Year Physics Chapter 21 Nuclear Physics Preparation

FSC Part 2 Physics
Chapter 21 Test

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Physics FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Gamma radiations are emitted due to:

Question # 2

If the following particle have the same energy, which particle has the shortest wave length.

Question # 3

Low level radiations effects

Question # 4

The number of Isotopes of cesium are.

Question # 5

The particles equal in mass but greater than proton are.

Question # 6

The radioactive decay obeys the law

Question # 7

The reciprocal of decay construct lamda of a radioactive element is.

Question # 8

Before and after nuclear reaction the number of protons and neutrons:

Question # 9

Which of the following is typical source of alpha particle.

Question # 10

The building blocks of protons and neutrons are called.

Question # 11

The mass of protons is:

Question # 12

The SI unit of decay constant is

Question # 13

Which of the following are not hadrons.

Question # 14

How many times, the alpha particle is more massive than electrons.

Question # 15

Both xenon and caesium each have:

Question # 16

When gama rays are emitted, the nuclear mass.

Question # 17

I amu =

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Both Xenon and cesium have
A. 33 isotopes
B. 34 Isotopes
C. 36 Isotopes
D. 35 Isotopes
2 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
3 The mass spectrum of naturally occurring neon, showing
A. 1 isotope
B. 2 isotope
C. 3 isotope
D. 4 isotope
4 The radio active nuclide 86Ra228 decays by a series of emissions of three alpha particles and one beta particle. The nuclide X finally formed is:
A. 64X220
B. 86X222
C. 84X216
D. 88X215
5 Gamma radiations are emitted due to:
A. De-excitation of atom
B. De-excitation of nucleus
C. Excitation of atom
D. Excitation of nucleus
6 Bottom quark carries charge :
A. 2/3 e
B. -2/3 e
C. +1/3 e
D. -1 /3 e
7 Energy needed to produce an electron hole in solid state detector is.
A. 1 to 2 eV
B. 3 to 4 eV
C. 6 to 7 eV
D. 8 to 9 eV
8 Binding energy per nucleus for uranium is above:
A. 6.7 Mev
B. 7.7 Mev
C. 6.9 MeV
D. 7.9 MeV
9 The total charge of any nucleus is:
A. Ze
B. Z
C. Both a and b
D. None of above
10 Electrons are
A. Hadrons
B. Laptons
C. Quarks
D. Baryons

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