electrons
neutrons
neutrons and electrons
electrons, neutrons and other particles
B. neutrons
its density being very high 13.6 g/cm3 the height of mercury column is conveniently small
at the ordinary temperature its vapour pressure is small
it is opaque and does not wet glass
All the above
diffusion
effusion
vaporisation
sublimation
a parabola
a horizontal straight line
a vertical straight line
a circle
velocity
momentum
acceleration
angular velocity
increasing the length of the coiled wire
increasing current supply
increasing the size of the iron core
All the above
amplitude
vibration
frequency
phase
Albert Einstein
Enrico Fermi
HJ Bhabha
Sir Isaac Newton
a stone
a piece of wood
a feather
all will reach the ground at the same time
copper
tungsten
mica
nichrome
lead
zinc
carbon
tin
Bhaskara
Insat I-A
Aryabhatta
SLV-l
red
violet
green
yellow
are good conductors of heat
are cheaper
are easily obtained
are bad conductors of heat
is found by measuring the slanting height of the mercury column
is given by the vertical height
cannot be measured with it
u) can be measured by both the methods described above
remains the same
increases
decreases
None of the above
the same as the direction of the vibrations of the vibrating body
at right angles to the direction of the vibrations of the vibrating body
Both (a) and (b) above
None of the above
72°
60°
36°
90°
capillarity
cohesion
adhesion
viscosity
the same direction as the motion
the opposite direction of the motion
all the directions
upward direction
for automatically maintaining a steady temperature
for measuring electricity
to reduce the voltage of electricity
for producing heat
Neptune
Uranus
Jupiter
Saturn
of the same size as the object
at the same distance behind the mirror as the object is in front of it
virtual and laterally inverted
All the above
is real
is virtual
can be obtained on a screen
is slightly bigger than the object
a fluid to transmit the braking force
the force applied by the driver
hydrogen gas and not any liquid
a vacuum brake
greater
less
equal
can't be determined
ultraviolet rays
gamma rays
radio waves
infrared waves
iris
pupil
ciliary body
cornea
increasing the length of the coiled wire
increasing current supply
increasing the size of the iron core
All the above
cohesion
adhesion
capillary action
absorption
for measuring the velocity of wind
in the manufacture of fireworks
in finding the coefficient of apparent expansion of a liquid
for measuring high temperatures