ECAT Pre Computer Science Chapter 21 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 21 Nuclear Physics

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

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ECAT Physics Chapter 21 Nuclear Physics

00:00
Question # 1

Rutherford performed an experiment on nuclear reactions in:

Question # 2

Proton was discovered by Rutherford in

Question # 3

Neutron was discovered in

Question # 4

An alpha particle has a charge of

Question # 5

Radioactivity was discovered by:

Question # 6

Which of the following material has smaller has life

Question # 7

The nucleus/nuclei of hydrogen is/are:

Question # 8

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

Question # 9

Binding energy per nucleus is

Question # 10

How many isotopes of helium are present?

Question # 11

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

Question # 12

Nucleus of a hydrogen atom may contain:

Question # 13

The number if neutrons in the nucleus of 92U235are

Question # 14

Marie curie and Pierre curie discovered:

Question # 15

The penetration power ofβ-particle is

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 The number of isotopes of hydrogen are
A. 2
B. 1
C. 3
D. 4
2 Curie is a unit of
A. reluctance
B. resistivity
C. binding energy
D. radioactivity
3 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
A. nuclear fission
B. nuclear fusion
C. man defect
D. radioactivity
4 Neutron was discovered by
A. Curie
B. Roentgen
C. Chadwick
D. Rutherford
5 Radiation detector are used to
A. measure intensity of radiation
B. measure energy of radiation
C. difference between different types of radiation
D. all the above
6 There is present in paraffin a large amount of:
A. Nitrogen
B. Hydrogen
C. Carbon
D. Baryllium
7 A mass spectrograph sort out
A. molecules
B. atoms
C. elements
D. isotopes
8 Rate of decay is actually described by.
A. Half line
B. Decay constant
C. Mean life
D. Total life
9 Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:
A. 50
B. 100
C. 150
D. 200
10 The counter, which also provides the power to the G.M. tube is called:
A. Thin mica window
B. thin glass window
C. Airy window
D. Wooden window

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