ECAT Pre Engineering Physics Chapter 21 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

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

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Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

00:00
Question # 1

The most abundant isotope of neon is

Question # 2

When radioactive nucleus emits aβ-particle, the proton-neutron ratio

Question # 3

Nucleus consists of

Question # 4

Radioactivity was discovered by:

Question # 5

The chemical properties of an element depends upon the number of

Question # 6

The counter, which also provides the power to the G.M. tube is called:

Question # 7

Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:

Question # 8

Mass of proton is

Question # 9

The total charge of any nucleus is given as

Question # 10

The range ofβ-particle in air is greater than that ofα-particle by

Question # 11

Neutron was discovered by

Question # 12

The half lie of radium-226 is

Question # 13

The half life of radioactive substances depends upon

Question # 14

Charge on proton is

Question # 15

Mass of neutron is

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Rutherford performed an experiment on nuclear reactions in:
A. 1718 A.D
B. 1818 A.D
C. 1918 A.D
D. 2001 A.D.
2 The figure 1.007276μ shows the mass of an:
A. Atom
B. Positron
C. Electron
D. Neutron
3 Radioactivity was discovered by
A. Rutherford
B. Henri Becqureal
C. Maxwell
D. James Chadwick
4 When certain nucleus emits anα particle, its mass number:
A. Increases by one
B. Decreases by one
C. Remain same
D. Decreases by four
5 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
6 Phenomenon of radioactivity is due to disintegration of
A. nucleus
B. neutron
C. proton
D. molecule
7 After alpha decay the atomic number of the atom
A. increase by four
B. decreases by two
C. increases by two
D. decrease by four
8 γ-rays behave like a particle because they explain the
A. Compton effect
B. Photoelectric effect
C. Pair-production
D. all the above
9 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
10 Which of these is not a radiation detector
A. Wilson cloud chamber
B. cyclotron acceleration
C. Geiger Miller counter
D. solid state detector

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  • alishba rasheed

    alishba rasheed

    03 Mar 2018

    easy mcqs

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