ECAT Pre General Science Physics Chapter 21 MCQ Test With Answer for Physics chapter 21 (Nuclear Physics)

ECAT General Science Physics Ch. 21 Test
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Online MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics Online Test

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ECAT Pre General Science Physics Chapter 21 Nuclear Physics Online Test

00:00
Question # 1

The distance travelled byα-particle in a medium before coming to rest, is called

Question # 2

The half lie of radium-226 is

Question # 3

Radioactivity was discovered by:

Question # 4

Electrons are

Question # 5

Nucleon means:

Question # 6

The number of all the protons and neutrons in a nucleus is known as

Question # 7

Charge on neutron is

Question # 8

There is present in paraffin a large amount of:

Question # 9

Different radioactive material have

Question # 10

The rate of decay of radioactive substance

Question # 11

For Protium, the mass defect is:

Question # 12

Marie curie and Pierre curie discovered:

Question # 13

1 amu is equal to

Question # 14

A curie represents a very strong source of

Question # 15

The diameter of an atom is of the order

Question # 16

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

Question # 17

Examples of moderators used in a fission reactor is/are:

Question # 18

The unit of decay constant is

Question # 19

When a nucleus emits an alpha particles, its charge number decreases by

Question # 20

A pair of quark and antiquark makes a:

Question # 21

1 amu is equal to.

Question # 22

γ-rays are

Question # 23

Binding energy per nucleus is

Question # 24

The chemical properties of all the isotopes of an elements are

Question # 25

γ-rays behave like a particle because they explain the

Question # 26

Three quarks make:

Question # 27

The reciprocal of decay constant λ of a radioactive material is:

Question # 28

The mass of the nucleus is always less than the total man of the protons and neutron that make up the nucleus. The difference of the two masses is called

Question # 29

β-particles are easily deflected by collisions than heavy

Question # 30

In his experiment on nuclear reactions, Rutherford bombardedα particles on:

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