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

Charge on proton is

Question # 2

Proton was discovered by Rutherford in

Question # 3

Neutron was disvovered by:

Question # 4

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

Question # 5

A pair of quark and antiquark makes a:

Question # 6

U-238 present in the natural uranium is about:

Question # 7

A mass spectrograph sort out

Question # 8

The half lie of radium-226 is

Question # 9

γ-rays are

Question # 10

The number of protons inside a nucleus is called

Question # 11

Nucleus consists of

Question # 12

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

Question # 13

Rutherford performed an experiment on nuclear reactions in:

Question # 14

Radioactivity was discovered by:

Question # 15

Radioactivity was discovered by

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 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
2 The number of isotopes of hydrogen are
A. 2
B. 1
C. 3
D. 4
3 The missing mass which is converted to energy in the formation of nucleus, is called
A. packing fraction
B. mass defect
C. binding energy
D. none of these
4 Curie is a unit of
A. reluctance
B. resistivity
C. binding energy
D. radioactivity
5 How many isotopes of helium are present?
A. 1
B. 2
C. 3
D. 4
6 Structure of the nucleus was explained by
A. J.J Thomson
B. Bohr
C. Millikan
D. Rutherford
7 Neutron was disvovered by:
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927
8 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
9 An alpha particle has a charge of
A. +2e
B. -2e
C. -e
D. +3e
10 For an atom having atomic number Z and atomic weight A, the number of electron in an atoms
A. A - Z
B. A + Z
C. Z
D. A

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