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

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ECAT Pre General Science Physics Chapter 21 Test

ECAT Pre General Science Physics Chapter 21 Nuclear Physics Online Test

Try the 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

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Question # 1

The rate of decay of radioactive substance

Question # 2

The missing mass which is converted to energy in the formation of nucleus, is called

Question # 3

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

Question # 4

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

Question # 5

The nucleus left after the emission of some radiation is called:

Question # 6

Charge on neutron is

Question # 7

Different radioactive material have

Question # 8

In radioactive decay, the new element which is formed due to the disintegration of original element is called

Question # 9

The chemical behaviour of an atom is determined by

Question # 10

The number if neutrons in the nucleus of 92U235are

Question # 11

Phenomenon of radioactivity is due to disintegration of

Question # 12

The most abundant isotope of neon is

Question # 13

The number of isotopes of hydrogen are

Question # 14

1 amu is equal to.

Question # 15

The emission of radiations take place in elements, having charge number greater than

Question # 16

1 amu is equal to

Question # 17

γ-rays are

Question # 18

Radioactivity was discovered by

Question # 19

Mass of proton is

Question # 20

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

Question # 21

Gamma rays consist of steam of

Question # 22

The half life of uranium-238 is

Question # 23

The half life of radioactive substances depends upon

Question # 24

After alpha decay the atomic number of the atom

Question # 25

When a nucleus emits an alpha particle, it atomic mass decreased by

Question # 26

The unit of decay constant is:

Question # 27

Marie curie and Pierre curie discovered:

Question # 28

Rate of decay is actually described by.

Question # 29

How much time, theα-particle more massive than an electron

Question # 30

Which of the following material has longer half life

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