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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 .
out of the following, which is not emitted by radioactive substance?
A)
Electrons
B)
Electromagnetic radiations
C)
Alpha particles
D)
Neutrons

Correct Answer : Option (D) - Neutrons

Published On : July 3, 2020
2 .
Rectifiers are used to convert
A)
Direct current to Alternating current
B)
Alternating current to Direct current
C)
high voltage to low voltage
D)
low voltage to high voltage

Correct Answer : Option (B) - Alternating current to Direct current

Published On : July 3, 2020
3 .
Stars which appear single to the naked eye but are double when seen through a telescope are
A)
novas and supernovas
B)
asteroids
C)
quasars
D)
binaries

Correct Answer : Option (D) - binaries

Published On : July 3, 2020
4 .
Pick out the scalar quantity
A)
force
B)
pressure
C)
velocity
D)
acceleration

Correct Answer : Option (B) - pressure

Published On : July 3, 2020
5 .
Rainbow is due to
A)
absorption of sunlight in minute water droplets
B)
diffusion of sunlight through water droplets
C)
ionisation of water deposits
D)
refraction and reflection of sunlight by water droplets

Correct Answer : Option (D) - refraction and reflection of sunlight by water droplets

Published On : July 3, 2020
6 .
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same
A)
velocity
B)
momentum
C)
acceleration
D)
kinetic energy

Correct Answer : Option (B) - momentum

Published On : July 3, 2020
7 .
On a stationary sail boat, air is blown from a fan attached to the boat. The boat
A)
moves in opposite direction in which the air is blown
B)
does not move
C)
moves in the same direction in which air blows
D)
spins around

Correct Answer : Option (B) - does not move

Published On : July 3, 2020
8 .
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
A)
Pressure and Young's modules
B)
Planck's constant and Angular momentum
C)
Impulse and moment of force
D)
Force and rate of change of linear momentum

Correct Answer : Option (C) - Impulse and moment of force

Published On : July 3, 2020
9 .
Mach number is used in connection with the speed of
A)
sound
B)
aircraft
C)
spacecraft
D)
ships

Correct Answer : Option (B) - aircraft

Published On : July 3, 2020
10 .
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A)
will overflow
B)
will not rise
C)
depressed
D)
change its meniscus

Correct Answer : Option (B) - will not rise

Published On : July 3, 2020