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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 .
Railway tracks are banked on curves
A)
necessary centrifugal force may be obtained from the horizontal component weight of the train
B)
to avoid frictional force between the tracks and wheels
C)
necessary centripetal force may be obtained from the horizontal component of the weight of the train
D)
the train may not fly off in the opposite direction

Correct Answer : Option (C) -

Published On : July 3, 2020
2 .
On a rainy day, small oil films on water show brilliant colours. This is due to
A)
dispersion
B)
interference
C)
diffraction
D)
polarization

Correct Answer : Option (B) - interference

Published On : July 3, 2020
3 .
Light travels at the fastest speed in
A)
glass
B)
water
C)
hydrogen
D)
vacuum

Correct Answer : Option (D) - vacuum

Published On : July 3, 2020
4 .
Lux is the SI unit of
A)
intensity of illumination
B)
luminous efficiency
C)
luminous flux
D)
luminous intensity

Correct Answer : Option (A) - intensity of illumination

Published On : July 3, 2020
5 .
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
A)
4.2 seconds
B)
42 seconds
C)
4.2 years
D)
42 years

Correct Answer : Option (C) - 4.2 years

Published On : July 3, 2020
6 .
Of the following properties of a wave, the one that is independent of the other is its
A)
amplitude
B)
velocity
C)
wavelength
D)
frequency

Correct Answer : Option (A) - amplitude

Published On : July 3, 2020
7 .
Optical fibre works on the
A)
principle of refraction
B)
total internal reflection
C)
scattering
D)
interference

Correct Answer : Option (B) - total internal reflection

Published On : July 3, 2020
8 .
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
A)
0.14 m/s
B)
140 m/s
C)
1.4 km/s
D)
14 m/s

Correct Answer : Option (D) - 14 m/s

Published On : July 3, 2020
9 .
Mercury is commonly used as a thermometric fluid rather than water because
A)
specific heat of mercury is less than water
B)
specific heat of mercury is more than water
C)
mercury has greater visibility than water
D)
density of mercury is more than the water

Correct Answer : Option (C) - mercury has greater visibility than water

Published On : July 3, 2020
10 .
It is more difficult to walk on a sandy road than on a concrete road because
A)
sand is soft and concreter is hard
B)
the friction between sand and feet is less than that between concrete and feet
C)
the friction between sand and feet is more than that between concrete and feet
D)
the sand is grainy but concrete is smooth

Correct Answer : Option (B) - the friction between sand and feet is less than that between concrete and feet

Published On : July 3, 2020