increases
decreases
neither increases nor decreases
first increases then decreases
B. decreases
the quantity of heat energy in a body
thermal radiations quantitatively
high temperature
the intensity of sound
Thumba
Bangalore
Ahmedabad
New Delhi
nuclear fission
nuclear fusion
chemical combustion
boiling
its atmosphere
its distance from the sun
its rotation
All the above
the floor and carpet are at different temperatures
the stone conveys the heat away from the feet more rapidly than the carpet
the carpet is a better conductor of heat than the stone
the human body maintains a constant temperature
shifted upwards
shifted downwards
shifted neither upward nor downward
shifted upward or downward depending on the density of the liquid
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
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
Rutherford
Bohr
Henri Bacquerel
Marie Curie
the reflection of sound waves
the refraction of sound waves
the interference of sound waves
reverberation of sound waves
3 x 107 ms-1
5 x 108 ms-1
3 x 104 kms-1
3 x 108 ms-1
telescope
spectrometer
microscope
periscope
a reflecting elliptical portion
a reflecting spherical surface
a parabolic reflecting surface
a flat reflecting surface
the mass of earth
the mass of the satellite
the radius of the earth
gravitation of the earth
is proportional to that of the Celsius thermometer
is always greater than that of the Celsius thermometer
is always less than that of the Celsius thermometer
may be greater than or less than or equal to that of the Celsius thermometer
Rutherford
Neils Bohr
Albert Einstein
JJ Thompson
mercury thermometers
alcohol thermometers
platinum resistance thermometers
thermoelectric thermometers
increases
decreases
remains the same
first increases then decreases
the pores in the pot are closed
rain water stops oozing out from the pores
the water that oozes out does not evaporate quickly because of the large percentage of moisture in the air
surface of the pot becomes damp
a glass rod with flannel
an abonite rod with flannel
a glass rod with silk
Any of the above
the ampere
the volt
the ohm
the coulomb
for automatically maintaining a steady temperature
for measuring electricity
to reduce the voltage of electricity
for producing heat
Neptune and Pluto
Jupiter and Saturn
Venus and Mars
Venus and Saturn
temperature of air
intensity of light
density of a liquid
relative humidity of the atmosphere
40 years
50 years
76 years
80 years
one
two
three
infinite
the retina of the eye moves forward
the retina of the eye moves backward
c).the iris is unable to dilate the pupil immediately to be able to see things
the eye has no power of accommodation
1.9 x 10-13 kg
9.1 x 10-31 kg
1 x 10-15 kg
1.6 x 10-19 kg
they can see very dearly only in darkness
they produce ultrasonic waves which guide them
their eyes are sensitive to darkness
their eye holes expand in darkness
neutrons
electrons
phonons
photons