# Physics Quiz For SSC CHSL and SSC CGL 2016 Exam

1. Nucleon is a common name for
(a) proton and electron
(b) electron and neutron
(c) neutron only
(d) neutron and proton

2. The size of atomic nucleus is of the order of
(a) 10^-14 m
(b) 10^-12 m
(c) 10^14 m
(d) 10^10 m
3. The size of atom is of the order of
(a) 10^-14 m
(b) 10^-12 m
(c) 10^-10 m
(d) 10^10 m
4. The ratio of atomic volume of nuclear volume is of the order of
(a) 10^15
(b) 10^-12
(c) 10^8
(d) 10^-8
5. The nucleus of an atom consists of
(a) electrons and protons
(b) neutron only
(c) neutrons and protons
(d) proton, electrons and neutrons
6. The mass number of a nucleus is
(a) always less than its atomic number
(b) always more than its atomic number
(c) some times more than and some times equal to its atomic number
(d) none of these
7. Particles which can be added to the nucleus of an atom without changing its chemical properties are :
(a) electrons
(b) protons
(c) neutrons
(d) alpha-particles
8. The number of electrons in an atoms of atomic number Z and mass number A is
(a) Z
(b) A
(c) A-Z
(d) Bibe
9. The mass density of nucleus varies with the mass number A as
(a) A^2
(b) A
(c) 1/A
(d) A^o
10. The density of nuclear matter is of the order of
(a) 10^3 kg/m^3
(b) 10^10 kg/m^3
(c) 10^17 kg/m^3
(d) 10^24 kg/m^3

1.(d)
2.(a)
3.(c)
4.(a)
5.(c)
6.(c)
7.(c)
8.(a)
9.(d)
10.(c)

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