capillarity
cohesion
adhesion
viscosity
A. capillarity
the forces of cohesion of the molecules within are very much less in them
the forces of cohesion are very large
the forces of adhesion are large
the forces of adhesion are less
troposphere
stratosphere
mesosphere
ionosphere
sterilising food stuff
controlling pests
cancer therapy
All of these
the gun moves forward
the gun jumps up
the gun does not move
the gun recoils with the same momentum as the bullet
increases
decreases
remains the same
is constant
convex mirrors
concave mirrors
concave lenses
lenses irrespective of types
the curvature of earth limits the range of reception
the signals are weak
the signals are absorbed by air
the antennae are not powerful enough
chemical energy into heat energy
mechanical energy into heat energy
protons into neutrons
mass into energy according to Einstein's equation
protects the article from atmospheric corrosion
gives it a more attractive appearance
Both (a) and (b) above
None of the above
Copernicus
Ptolemy
Newton
Kepler
they contain free electrons
their atoms are relatively far apart
their atoms collide frequently
they have reflecting surfaces
0° C
-15° C
4° C
15° C
refraction of light from them through air
reflection
absorption
All the above
Television - Baird
Transistor ~ Shockley
Thermometer - Celsius
Barometer Torricelli
sound energy is converted into electrical energy
electrical energy is converted into sound energy
sound energy is converted into mechanical energy
mechanical energy is converted into sound energy
a unit of time
a unit of length
a year of no consequence
illumination throughout the year
converts direct current into alternating current
converts alternating current into direct current
steps up or steps down a given alternating current voltage
supplies current with zero resistance
the sun comes in between the earth and moon
the moon is stationary
the time taken by the moon to rotate on its axis is the same as the time taken by it to revolve round the earth
moon revolves round the sun
is real
is virtual
can be obtained on a screen
is slightly bigger than the object
sugar
sodium carbonate
common salt
carbonates of calcium and magnesium
is proportional to its original length
is proportional to the increase of temperature
is inversely proportional to its original length
Both (a) and (b) above
cools the body that transfers it
heats the body that absorbs the heat
may change the physical state of the substance
All the above
fish are cold-blooded animals
ice is a bad conductor of heat
there will always be water just beneath the ice level
they can adapt themselves to live in ice
both its mass and weight will be different
its mass will be different but the weight will remain the same
its mass and weight will both remain unchanged
its mass will remain the same but weight will be different
Thorium
Uranium
Plutonium
Radium
half
one fourth
four times
two times
it can be transmitted easily and efficiently
Alternating Current (AC) loses the least amount of energy when transmitted at high voltages
Alternating Current (AC) voltage can be easily increased or decreased
all the above
Proxima Centauri
Sirius
Aldebaran
Vega
the size and shape of the room
the ability of the ceiling, walls and floor to exclude unwanted sound
the use of furnishings made of sound absorbing materials
All the above
radioactivity
fission
fusion
implosion