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Chapter 18 Atomic and Nuclear Physics-1
1.
Who postulated that matter is built from small particles?
a) Rutherford
b) Pascal
c) Democritus
d) Mendel
2.
Democritus was a ..........philosopher?
a) French
b) British
c) Scottish
d) Greek
3.
When was postulated that matter is built from small particles?
a) 585 A.D
b) 858 A.D
c) 858 B.C
d) 585 B.C
4.
What are the small particles called from which matter is built?
a) Particles
b) Ions
c) Molecules
d) Atoms
5.
What is meant by ‘atom’ in Greek language?
a) Invisible
b) Visible
c) Divisible
d) Indivisible
6.
What discovered that atom had a central part called the nucleus?
a) Pascal
b) Democritus
c) Rutherford
d) Mendel
7.
In which language, atom means indivisible?
a) British
b) French
c) Greek
d) English
8.
The word atom is derived from the ..............word “otomos”?
a) English
b) French
c) British
d) Greek
9.
What is meant by the word “otomos”?
a) Divisible
b) Invisible
c) Indivisible
d) Visible
10.
When Rutherford discovered that atom had a central part called the nucleus?
a) 1919
b) 1199
c) 1911
d) 1999
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