cohesive forces between the mercury molecules are greater than adhesive forces between mercury and glass molecules
the adhesive forces between mercury and glass molecules are greater than the cohesive forces
both the cohesive and adhesive forces are equal
None of the above
A. cohesive forces between the mercury molecules are greater than adhesive forces between mercury and glass molecules
of the surface tension of mercury
mercury is a semi-solid
of the high viscosity of mercury
the density of mercury is greater than that of steel
a horizontal position
a nearly vertical position with its South Pole downwards
a nearly vertical position with its North Pole downwards
a slanting position
temperature of air
intensity of light
density of a liquid
relative humidity of the atmosphere
a quantum of electromagnetic radiation
light source used in photography
a photo film
sun-light
in the live wire
in the neutral wire
in the earth wire
anywhere
the nature of the liquid
area of the exposed surface of the liquid
temperature of air and of the liquid
All the above
is proportional to that of the Celsius thermometer
is always greater than that of the Celsius thermometer
is always less than that of the Celsius thermometer
may be greater than or less than or equal to that of the Celsius thermometer
taking photos of various objects
recording and reproducing three dimensional images
tracing out planets and stars in the sky
transmitting light waves
a microphone
a headphone
a phonograph
an amplifier
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
Pyrometer
Eudiometer
Barometer
Hydrometer
an erect, virtual image of diminished size
an erect, real image of diminished size
an erect, real image of double size
a virtual image of double size
a parabola
a horizontal straight line
a vertical straight line
a circle
chemical, heating and magnetic effects of electricity
discharge of electricity through gases
the action of ultraviolet radiation on certain fluorescent materials
Both (b) and (c) above
the least scattered red colour reaching the eye
the dispersion of sun light occurred in air molecule in atmosphere
the diffraction of sunrays in atmospheric layers
interference of all the rays coming from the sun
Television - Baird
Transistor ~ Shockley
Thermometer - Celsius
Barometer Torricelli
the nature of the liquid
area of the exposed surface of the liquid
temperature of air and of the liquid
All the above
Bhaskara
Insat I-A
Aryabhatta
SLV-l
Silver
Copper
Nichrome
Dry wood
doppler effect
beats
resonance
echo
the atoms and molecules lose their identity
nucleus is split into fragments
the nuclear reaction between two light atomic nuclei results in the formation of a heavier nucleus with release of a large quantity of nuclear energy in the process
absorption of neutron by a nucleus
Rutherford
Bohr
Henri Bacquerel
Marie Curie
so that they may reflect thermal radiation from outside and minimise such radiation from them
so that they may absorb all radiation from outside
to make them attractive to look at
because they take high polish
iris
pupil
ciliary body
cornea
copper
aluminium
silver
nichrome
increase
decrease
will not change
first increase and then decrease
in burglar alarms
in automotive devices for light switches
television cameras
All the above
there is no moisture in the atmosphere
clouds absorb the falling dew
objects emit radiant energy very fast on such nights
objects lose less radiant energy
inertia
adhesion
cohesion
friction
elliptical
a straight line
a parabola
a vertical line