resistance
charge
potential
charge/potential ratio
C. potential
velocity
wavelength
frequency
Both (a) and (b) above
a straight line
an ellipse
a circle
a parabola
0 K
273 K
373 K
100 K
Crown glass
Water
Flint glass
Diamond
Michael Faraday
Torricelli
Thomas Alva Edison
Benjamin Franklin
Bangalore
Mumbai
Ahmedabad
New Delhi
to increase the current flow in a circuit
to decrease the current flow
to measure the flow of electric current
Either (a) or (b) above
the heat emitted by the engine
the greenhouse effect
the good conducting power of the metal body
the double layered wind shield
the air circulated by the fan is cool
the fan produces convection currents of air
the air circulated by the fan quickens the evaporation of the moisture on our skin
the air takes away the heat from our body
quality
amplitude
pitch
loudness
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
Daniell cell
Leclanche cell
Dry cell
All the above
the ball will travel towards the centre of the circle and fall down
it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
it will fall down at the same place where the string breaks
None of these
a quantum of light energy
a quantum of matter
a positively charged atomic particle
another name for positron
Mercury and Earth
Earth and Mars
Mars and Saturn
Mars and Jupiter
half
one fourth
four times
two times
a parabola
a horizontal straight line
a vertical straight line
a circle
resistance
charge
potential
charge/potential ratio
high resistance and high melting point
high resistance and low melting point
low resistance and high melting point
low resistance and low melting point
rectilinear propagation of light
reflection
refraction
total internal reflection
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
both its mass and weight will be different
its mass will be different but the weight will remain the same
its mass and weight will both remain unchanged
its mass will remain the same but weight will be different
refraction of light from them through air
reflection
absorption
All the above
the speed with which it escapes cools it down
of the higher temperature of the surroundings
of sudden expansion causing loss of internal energy
there is no real fall in temperature
angle of inclination of the earth
changes in radio-active minerals in it
period taken by Sun's light to reach the earth
artificial satellites revolving round the earth
the material of the wire
the length of the wire
the cross section of the wire
All the above
look like falling stars
are really pieces of rock or metal
burn up as they shoot through the air
All the above
they contain free electrons
their atoms are relatively far apart
their atoms collide frequently
they have reflecting surfaces
temperature of air
intensity of light
density of a liquid
relative humidity of the atmosphere
mechanical energy is converted to light energy
mechanical energy is converted to heat energy
mechanical energy is converted to electrical energy
electrical energy is converted to mechanical energy