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General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .
What is the time during which one half of a number of radioactive species decays or one half of their activity ceases?
A)
Semi life
B)
Half Life
C)
Critical life
D)
Super Critical State

Correct Answer : Option (B) - Half Life

Published On : May 29, 2021
2 .
Electron was discovered by
A)
Thomson
B)
Rutherford
C)
Chadwick
D)
Milliken

Correct Answer : Option (A) - Thomson

Published On : May 29, 2021
3 .
Almost the entire mass of an atom is concentrated in the
A)
electrons
B)
protons
C)
neutrons
D)
nucleus

Correct Answer : Option (D) - nucleus

Published On : May 29, 2021
4 .
What is the mass number of an atom which contains 28 protons, 28 electrons, and 34 neutrons?
A)
28
B)
56
C)
62
D)
90

Correct Answer : Option (C) - 62

Published On : May 28, 2021
5 .
Which isotope of hydrogen contains only one proton and no neutron in its nucleus?
A)
tritium
B)
deuterium
C)
protium
D)
None of the above

Correct Answer : Option (C) - protium

Published On : May 28, 2021
6 .
During a chemical reaction, atomic number
A)
changes
B)
remains same
C)
changes alternately
D)
changes and then is restored

Correct Answer : Option (B) - remains same

Published On : May 28, 2021
7 .
The net neutrons produced per initial neutron accounting for all possible losses is called?
A)
Multiplication factors
B)
Covalent bond
C)
Bombardment
D)
Half life

Correct Answer : Option (A) - Multiplication factors

Published On : May 28, 2021
8 .
To disrupt a nucleus and separate in into its component nucleons, energy must be supplied from outside and this energy is called?
A)
Bonding energy
B)
Kinetic energy
C)
Binding energy
D)
Nuclear energy

Correct Answer : Option (C) - Binding energy

Published On : May 28, 2021
9 .
The total number of nucleons in the nucleus is called _________
A)
Electric charge
B)
Periodic number
C)
Atomic number
D)
Mass number

Correct Answer : Option (D) - Mass number

Published On : May 28, 2021
10 .
An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of___
A)
5
B)
6
C)
8
D)
11

Correct Answer : Option (A) - 5

Published On : May 28, 2021