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

ECAT Pre Engineering Physics Ch 21 Test
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Online MCQ`s Test For Chapter 21 "Physics ECAT Pre Engineering Chapter 21 Nuclear Physics Physics Online Test"

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Physics ECAT Pre Engineering Chapter 21 Nuclear Physics Physics Online Test

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Question # 1

In radio-active decay, the original element which disintegrate to another element is called

Question # 2

U-238 present in the natural uranium is about:

Question # 3

Which are not the elementary particles?

Question # 4

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

Question # 5

The number if neutrons in the nucleus of 92U235are

Question # 6

Proton was discovered by Rutherford in

Question # 7

The rate of decay of radioactive substance

Question # 8

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

Question # 9

Charge on proton is

Question # 10

Neutron was disvovered by:

Question # 11

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

Question # 12

For Protium, the mass defect is:

Question # 13

How many isotopes of helium are present?

Question # 14

A curie represents a very strong source of

Question # 15

For an atom having atomic number Z and atomic weight A, the charge on the nucleus is

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