ECAT Pre Engineering Physics Chapter 21 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

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Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

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Question # 1

During the nuclear changes, the law/s of conservation that hold/s are that of:

Question # 2

The nuclei of an element having the same charge number but different mass numbers are called:

Question # 3

When radioactive nucleus emits aβ-particle, the proton-neutron ratio

Question # 4

γ-rays behave like a particle because they explain the

Question # 5

Radium was discovered by:

Question # 6

The penetration power ofβ-particle is

Question # 7

The figure 1.007276μ shows the mass of an:

Question # 8

Radiation detector are used to

Question # 9

The energy is found from Einstein's mass energy relation is called

Question # 10

The number of protons inside a nucleus is called

Question # 11

The amount of energy equivalent to 1 a.m.u is

Question # 12

1 amu is equal to

Question # 13

Binding energy per nucleus is

Question # 14

Neon gas have three isotopes whose atomic numbers are

Question # 15

The chemical properties of all the isotopes of an elements are

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Curie is a unit of
A. reluctance
B. resistivity
C. binding energy
D. radioactivity
2 The isotope/s of hydrogen is /are:
A. Protium
B. Deuterium
C. Tritium
D. Both (A) and (B)
3 The range of particle depends upon the factor
A. charge, mass and energy of particle
B. density of medium
C. ionization potential of the atoms
D. all the above
4 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
5 The nucleus/nuclei of hydrogen is/are:
A. Proton
B. Deuteron
C. Triton
D. All of these
6 The nucleus left after the emission of some radiation is called:
A. Parent nucleus
B. Daughter necleus
C. Mother necleus
D. Any of these
7 The amount of energy equivalent to 1 a.m.u is
A. 9.315 Mev
B. 93.15 Mev
C. 931.5 Mev
D. 2.22 Mev
8 The figure 1.007276μ shows the mass of an:
A. Atom
B. Positron
C. Electron
D. Neutron
9 Nuclei that have the same charge number but different mass number are called
A. isotones
B. isomers
C. isotopes
D. isobars
10 When a charged particle passes through matter, it produces ionization, this effect is used in
A. fission reaction
B. reactor
C. radiation detector
D. fusion reaction

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