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Free tnpsc model questions Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. The antiparticle of electron is
(a)
meson
(b)
neutrino
(c)
proton
(d)
positron
2. Nucleons are
(a)
protons and neutrons
(b)
protons and photons
(c)
neutrons and neutrinos
(d)
electrons and positrons
3. Boron carbide is used as control rod in
(a)
production
(b)
power
(c)
breedor
(d)
research
4. The phenomenon of radioactivity is
(a)
spontaneous emission
(b)
instantaneous emission
(c)
induced emission
(d)
stimulated emission
5. The binding energy is the amount of energy required to split up a
(a)
matter
(b)
molecule
(c)
nucleus
(d)
atom
6. Reactors which convert nuclear fission energy into electric power are called
(a)
production reactors
(b)
breedor reactors
(c)
research reactors
(d)
power reactors
7. Mass number is equal to the total number of
(a)
positrons or electrons
(b)
protons and positrons
(c)
protons and electrons
(d)
protons and neutrons
8. _____ is the most stable nucleus.
(a)
C
(b)
Fe
(c)
U
(d)
Ne
9. Neutrons are _____ particles.
(a)
specially charged
(b)
negatively charged
(c)
positively charged
(d)
neutral
10. Isotopes have
(a)
same mass number but different atomic number
(b)
same neutron number but different proton number
(c)
same proton number and neutron number
(d)
same proton number but different neutron number
