16 hours
12 hours
20 hours
24 hours
D. 24 hours
first rise and then fall
fall
remain the same
rise
will increase
will decrease
will have no change
will either increase or decrease
Frequency
Amplitude
Speed
Wavelength
a parabola
a horizontal straight line
a vertical straight line
a circle
surface tension
capillarity
viscosity
diffusion
the hot water contains a much larger quantity of internal energy than the boiling water
the boiling water contains more quantity of internal energy than the warm water
both of them have got the same amount of internal energy.
nothing can be said definitely with the data given
remains the same
increases
decreases
None of the above
no charge
positive charge
negative charge
can't be said
Michael Faraday
Torricelli
Thomas Alva Edison
Benjamin Franklin
can focus very rapidly as pictures change
is quicker than the brain
can see two images separated only if the interval' between seeing them is more than' one-tenth of a second
can shut out some of the light
a stone
a piece of wood
a feather
all will reach the ground at the same time
�± -rays
�² -rays
�³ -rays
X-rays
an indeterminate quantity
equal to the weight of the ship
greater than the weight of the ship
less than the weight of the ship
used by warships and military aircraft to locate enemy submarines
used by ships to determine the depth of water beneath them
a detective device that uses sound to locate under - water objects
All the above
Liquid ammonia
Carbon tetrafluoride
Dichloro-difluoro-methane
Sulphur dioxide
nuclear fission
nuclear fusion
chemical combustion
boiling
same number of protons but different number of neutrons
same number of neutrons but different number of protons
the same total number of protons and neutrons
same number of protons and different number of electrons
copper
aluminium
silver
nichrome
are electromagnetic waves
can easily pass through vacuum
are always transverse waves
require a material medium for propagation
centrifugal force
frictional force
gravitational force
distillation
Neptune
Uranus
Jupiter
Saturn
at the middle
at a point away from the hinge (near the rim)
near the hinge
None of the above
the path of a star which is nearest to the earth
a galaxy which includes the sun
a star that is nearest to the earth
None of these
find out the specific gravity of liquids
measure the volumes of liquids
test the purity of milk
determine the strength of acid in car batteries
1985
1957
1959
1960
a horizontal position
a nearly vertical position with its South Pole downwards
a nearly vertical position with its North Pole downwards
a slanting position
Silver
Copper
Nichrome
Dry wood
to absorb unwanted neutrons
to slow down the fast neutrons to secure more effective hits on other nuclei
to decrease the number of fissile nuclei
to increase the number of fissile nuclei
amplitude
vibration
frequency
phase
Pascal's law
Principle of Archimedes
Boyle's law
Hooke's law