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ECAT Pre General Science Physics Chapter 21 Nuclear Physics
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 21 Nuclear Physics
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Question # 1
Examples of moderators used in a fission reactor is/are:
Question # 2
The amount of energy equivalent to 1 a.m.u is
Question # 3
The half life of uranium-238 is
Question # 4
In 1932 Chadwick discovered
Question # 5
The time required for a radioactive material to decrease in active by one half is called
Question # 6
1 amu is equal to
Question # 7
Structure of the nucleus was explained by
Question # 8
When certain nucleus emits aβ-particles, is mass number:
Question # 9
Charge on proton is
Question # 10
Neutron was discovered in
Question # 11
1 amu is equal to.
Question # 12
The chemical properties of an element depends upon the number of
Question # 13
The number of all the protons and neutrons in a nucleus is known as
Question # 14
Nuclei that have the same charge number but different mass number are called
Question # 15
Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
Question # 16
The isotope/s of hydrogen is /are:
Question # 17
After alpha decay the atomic number of the atom
Question # 18
Radium was discovered by:
Question # 19
The diameter of an atom is of the order
Question # 20
The nucleus/nuclei of hydrogen is/are:
Question # 21
The nucleus left after the emission of some radiation is called:
Question # 22
Mass of proton is of order of
Question # 23
During the nuclear changes, the law/s of conservation that hold/s are that of:
Question # 24
The number of protons inside a nucleus is called
Question # 25
How much time, theα-particle more massive than an electron
Question # 26
Nucleon means:
Question # 27
Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:
Question # 28
The nucleous of uranium -235 differs from a nucleous of a uranium -238 in that the later contains
Question # 29
For Protium, the mass defect is:
Question # 30
Binding energy per nucleus is
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
