4 x 108 m/s
1500 m/s
330 m/s
500 m/s
C. 330 m/s
Bhaskara
Insat I-A
Aryabhatta
SLV-l
electrons
neutrons
neutrons and electrons
electrons, neutrons and other particles
capillarity
cohesion
adhesion
viscosity
ACBD
ABCD
CABD
BACD
the sea contains a large amount of other salts besides sodium chloride
the density of the person is less than the density of the Dead Sea water
of the surface tension due to salt water in the Dead Sea
of difference in mass
resistor
thermocouple
light bulb
neon tube
there is no moisture in the atmosphere
clouds absorb the falling dew
objects emit radiant energy very fast on such nights
objects lose less radiant energy
Hygrometer
Hypsometer
Hydrometer
Densimeter
1.9 x 10-13 kg
9.1 x 10-31 kg
1 x 10-15 kg
1.6 x 10-19 kg
nichrome
tungsten
copper
aluminium
absorption of a neutron by a nucleus
breakup of the nucleus of a heavy atom into two nearly equal halves emitting two or three neutrons and releasing large amounts of nuclear energy in the process
the scattering of neutrons
formation of heavier nucleus
cools the body that transfers it
heats the body that absorbs the heat
may change the physical state of the substance
All the above
first
second
third
fourth
light energy into electrical energy
electrical energy into light energy
magnetic energy into electrical energy
electrical energy into mechanical energy
the mass number
atomic number
atomic weight
absolute number
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
is more than at sea level
is equal to that sea level
is less than at sea level
depends on the surrounding temperature
Liquid ammonia
Carbon tetrafluoride
Dichloro-difluoro-methane
Sulphur dioxide
telescope
spectrometer
microscope
periscope
increases as the square root of the absolute temperature
decreases with temperature
is independent of temperature
None of these
power
kinetic energy
momentum
impulse
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
mercury thermometers
alcohol thermometers
platinum resistance thermometers
thermoelectric thermometers
Red
Blue
Yellow
Violet
one
two
three
infinite
Pascal's law
Principle of Archimedes
Boyle's law
Hooke's law
protons
electrons
neutrons
positrons
a planet
a meteor
a star
a comet
power
kinetic energy
momentum
impulse