The list of Important Gk Questions from science physics were given here. Candidates those who are all preparing for SSC / FCI and All other competitive examination can use this material.
1).When
the speed of a body is doubled, its kinetic energy becomes
a)
half
b)
quadruple
c)
double
d)
one - fourth
2).Conservation
of energy means that
a)
energy can neither be created nor
destroyed
b)
energy cannot be created but can
be destroyed
c)
energy can be created as well as
destroyed
d)
energy can be created but not
destroyed
3).A
steel ball floats on mercury because
a)
the density of mercury is higher
than that of steel
b)
mercury does not allow any
metallic ball to sink in it
c)
mercury is also a metal in the
liquid form
d)
a steel ball can be made of its
float on any liquid by suitable adjustment
4).Atmospheric
pressure is measure with a
a)
altimeter
b)
barometer
c)
hydrometer
d)
hygrometer
5).In
a barometer, mercury is preferred over water because
a)
mercury is available in pure form
b)
mercury has high density and low
vapour pressure
c)
mercury is shining and therefore
its level can be read easily
d)
mercury is a good conductor of
heat
6).An
object weighs maximum in
a)
water
b)
air
c)
hydrogen
d)
vaccum
7).Raindrops
are spherical due to
a)
continuous evaporation
b)
viscosity of water
c)
air friction
d)
surface tension
8).The
temperature of the top of a frozen lake is - 15∘ C What is the
temperature of the water in the lake in contact with the ice layer?
a)
-7.5∘ C
b)
0∘ C
c)
4∘ C
d)
-15∘ C
9).For
a given liquid, the rate of evaporation depends on
a)
The surface area of the liquid
b)
The temperature of the liquid
c)
The temperature of air
d)
All these factors
10).During
summer, we feel comfortable under a fan because it
a)
Produces air which carries heat away
from the body
b)
Throws cool air on us
c)
Produces convection currents
d)
Sets the air in motion, there by
increasing the evaporation of sweat
Answers:
1).
b) 2). a) 3).
a) 4). b) 5).
b) 6). d) 7).
d) 8). b) 9).
d) 10). d)
