Thumba
Delhi
Mumbai
Sriharikota
A. Thumba
ACBD
ABCD
CABD
BACD
nichrome
tungsten
copper
aluminium
oxidation of the tungsten filament
bursting of the bulb
loss of light due to absorption
keeping the weight of the bulb less
Albert Einstein
Enrico Fermi
HJ Bhabha
Sir Isaac Newton
resistor
thermocouple
light bulb
neon tube
coulomb
ampere
volt
watt
frequency is higher
wavelength is smaller
pitch is smaller
air is warmer
at the middle
at a point away from the hinge (near the rim)
near the hinge
None of the above
1.9 x 10-13 kg
9.1 x 10-31 kg
1 x 10-15 kg
1.6 x 10-19 kg
increase
decrease
remain unaffected
have its shape changed
work is done against gravity
the steepness of the staircase isn't felt
gravity assists
there is no friction between the legs and steps
it is lighter
it has more water vapour in it
its molecules are close together
its molecules are far apart
cool the engine
heat up the engine
start the car
moderate the speed
look like falling stars
are really pieces of rock or metal
burn up as they shoot through the air
All the above
collision between molecules of filled gas under electric current
heavy current
vacuum inside the tube
falling of ultra violet rays on the white inner coating of the tube
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
Sir Isaac Newton
Columbus
Archimedes
Thomas Alva Edison
the mass number
atomic number
atomic weight
absolute number
light travels very much faster than sound
sound travels faster than light
lightning occurs nearer than thunder
both travel at the same speed
resistance
charge
potential
charge/potential ratio
Venus
Saturn
Mercury
Earth
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
Wilhelm Roentgen
WO Coolidge
Henry Cavendish
William Watson
when the moon passes between the sun and the earth
when the sun comes between the earth and the moon
when the earth comes between the sun and the moon
on a full moon day
increases the melting point of ice
decreases the melting point of ice
has no effect on the melting point of ice
increases the volume of the ice
Mercury
Venus
Moon
Mars
mercury
distilled water
alcohol
does not use any liquid
distance from the earth
age
temperature
size
adhesion
surface tension
gravitational force
atmospheric pressure from all sides
first rise and then fall
fall
remain the same
rise