umbra
penumbra
image
black portion of light
A. umbra
adhesion
cohesion
surface tension
capillarity
to stabilise the voltage
to decrease the current supply
to increase the current supply
to prevent an unduly high current from passing through a circuit
Sir Isaac Newton
Kepler
Copernicus
Ptolemy
he may increase his speed
his weight may be reduced
necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion
no frictional force may be produced between the wheels and the axle
Liquid ammonia
Carbon tetrafluoride
Dichloro-difluoro-methane
Sulphur dioxide
transmutation
fission
fusion
radioactivity
electromagnetic radiations
helium nuclei
negatively charged particles
neutral particles
Rutherford
Neils Bohr
Albert Einstein
JJ Thompson
Sir Isaac Newton
Kepler
Copernicus
Ptolemy
collision between molecules of filled gas under electric current
heavy current
vacuum inside the tube
falling of ultra violet rays on the white inner coating of the tube
rough white
rough black
shining white
shining black
the mass number
atomic number
atomic weight
absolute number
inertia
adhesion
cohesion
friction
will jump rapidly up and down for a short time
will remain unaffected
Both (a) and (b) above
It will produce electric shock
a kilometre
light year
the average distance from the earth to the sun
None of the above
the reflection of sound waves
the refraction of sound waves
the interference of sound waves
reverberation of sound waves
will increase
will decrease
does not change
varies with the increase of depth of the immersion of the iron piece
it stops due to malfunctioning
it starts emitting dangerous radioactive radiations
it is shut down to avoid explosion
it is ready to produce controlled energy
alcohol is a poor conductor of heat
alcohol can be coloured for its level to be seen easily
its freezing point is very low
it will not stick to the glass tube
speed
frequency
wavelength
All the above
an indeterminate quantity
equal to the weight of the ship
greater than the weight of the ship
less than the weight of the ship
Pyrometer
Eudiometer
Barometer
Hydrometer
electrical energy into light energy
light energy into electrical energy
light energy into heat energy
electrical energy into heat energy
isobars
isomers
isotones
isotopes
short sight
long sight
astigmatism
presbyopia
iris
pupil
ciliary body
cornea
pouring ice cold water into the inner tumbler
pouring ice cold water on the outer tumbler
pouring hot water into the inner tumbler
dipping both the tumblers in hot water
nuclear fission
nuclear fusion
chemical combustion
boiling
air
water
iron
vacuum
maximum at the equator
minimum at the equator
minimum at the poles
the same everywhere