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SOLVED QUESTION PAPERS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL
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KERALA PSC / PHYSICS / PREVIOUS QUESTION PAPERS /
SOLVED QUESTION PAPERS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL
KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES
·
Magnetism
at the centre of the bar magnet is……
Zero
·
Fuses
are connected in …... to the live wire
Series
·
When
seen in blue light a red rose will appear as ………
Black
·
If
the length, number of turns and flowing current are all doubled in a current
carrying solenoid the magnetic field would ……
Be doubled
·
In
astronomical telescope objective lens is
Convex lens
of large focal length and large aperture
·
A
car engine is
Internal
combustion engine
·
Filament
of electric bulb is of
Tungsten
·
Electric
motor converts
Electrical
energy into mechanical energy
·
……
is used to determine purity of milk
Lactometer
·
Pendulum
clocks will have a …… in time period during summer
Decrease
·
The
focal length of the objective of microscope is
Less than the
focal length of eyepiece
·
Plane
mirrors always from ……
Virtual and
erect image
·
The
shape of rain drop is spherical due to
Surface
tension
·
A
steam engine converts heat energy into
Mechanical
energy
·
The
absorption of ink by blotting paper involves
Capillary
action
·
Decibel
is a unit for measuring the intensity of
Sound
·
Relative
humidity is measured by
Hygrometer
·
A
supersonic plane flies at the speed
Greater than
the speed of the sound
·
A
unit for expressing astronomical distances is
Light year
·
In
desert, clouds do not precipitate because of
Low humidity
·
Cloudy
nights are warmer because
Clouds
prevent radiation of heat from the ground into the air
·
The
best conductor of heat among liquids is
Mercury
·
During
summer, we feel comfortable under a fan because it
Sets the air
in motion, thereby increasing the evaporation
·
Fish
can survive inside frozen lake because
Water near
the bottom does not freeze
·
A
person climbing a hill bends forward in order to
Increase
stability
·
When
a ship enters a sea from a river
It rises a
little
·
Winding
a watch is actually the process of storing
Potential
energy
·
An
apparatus used for locating submerged objects is known as
Sonar
·
The path followed by a body thrown
horizontally from the top of a tower is
Parabolic
·
In
a camera ……. are used
Convex lens
·
Who
discovered that white light consists of seven colours?
Newton
·
The
speed of sound will be maximum in
Steel
·
Alternating
current can be produced by
Generator
·
The
nearest planet to the earth is
Venus
·
We
get heat from the sun by
Radiation
·
The
sun appears deep orange-red before it sets because
Its light has
to traverse a thicker atmosphere, therefore, the other colours get scattered
and do not reach us
·
When
a wave enters from one medium into another medium then …. change
Wavelength
and velocity
·
Acceleration
due to gravity is maximum
On the poles
of the earth
·
Dark
(Fraunhofer) lines are seen in the spectrum of the sun. These are due to absorption
in
Outer layers
of the sun
·
Light
year is a unit of
Distance
·
The
absolute zero is the temperature at which
Molecular motion
ceases
·
Melting
point of ice
Decreases
with increase in pressure
·
The
redshift observed in the spectrum of a galaxy shows that
The universe
is expanding
·
Pitch
of sound depends upon its
Frequency
KERALA PSC / PHYSICS / PREVIOUS QUESTION PAPERS /
SOLVED QUESTION PAPERS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL
KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES
