will increase
will decrease
does not change
varies with the increase of depth of the immersion of the iron piece
A. will increase
remains the same
increases
decreases
None of the above
It will go down
It will come up
It will remain at the same level
First it will go down and it will come up
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
altimeter
anemometer
dilatometer
potentiometer
October 20, 1978
November 14, 1978
January 26, 1979
April 19, 1975
Evaporation at the surface causes cooling
The heat obsorbed at the surface is passed on to the bottom
Because of impurity in the water
Because of convection currents set up inside water
Crown glass
Water
Flint glass
Diamond
powerful X-rays falling on the earth from space
ultraviolet rays from the sun
gamma rays from radioactive minerals
very energetic radiation falling upon the earth from outer space consisting chiefly of charged particles
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
a stone
a piece of wood
a feather
all will reach the ground at the same time
the resistance
the square of the current flowing through it
the time the current flows
All the above
Thumba
Delhi
Mumbai
Sriharikota
The Milky Way
Radio Galaxy
Andromeda Nebula
Magellanic Clouds
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
momentum
velocity
acceleration
inertia
Space ship
Lunar module
Radar
Rocket
there is very little friction between the ice and feet pressing it
ice is soft when compared to concrete
there is more friction between the ice and feet
None of the above
rectilinear propagation of light
reflection
refraction
total internal reflection
1
infinite
0
4
is found by measuring the slanting height of the mercury column
is given by the vertical height
cannot be measured with it
can be measured by both the methods described above
greater
less
the same
None of these
frequency is higher
wavelength is smaller
pitch is smaller
air is warmer
the material of the wire
the length of the wire
the cross section of the wire
All the above
has no effect on the boiling point of a liquid
raises the boiling point of a liquid
lowers the boiling point of a liquid
increases the volume of a liquid
cannot be attained experimentally
can be attained
is impossible
Does not exist at all
Platinum
Tungsten
Nichrome
Copper
refraction of light from them through air
reflection
absorption
All the above
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
a horizontal position
a nearly vertical position with its South Pole downwards
a nearly vertical position with its North Pole downwards
a slanting position
as an accelerator for imparting energies to charged particles of atomic magnitudes
to reduce the charge on a particle
to produce intense magnetic field
to produce intense electrical field