resistor
thermocouple
light bulb
neon tube
B. thermocouple
�± -rays
�² -rays
�³ -rays
Cosmic rays
travelling in opposite direction
of slightly different frequencies
of equal wavelength
of equal amplitude
Marconi
Baird
John Bardeen, Walter H. Brattain and William Shockley
Edison
distance from the earth
age
temperature
size
October 20, 1978
November 14, 1978
January 26, 1979
April 19, 1975
James Clerk Maxwell
Heinrich Hertz
Thomas Alva Edison
Baird
meteors
binaries
variable stars
bright stars
they contain free electrons
their atoms are relatively far apart
their atoms collide frequently
they have reflecting surfaces
the Sun
the Moon
the Venus
the Mars
electroplating
electrotyping
electrolysis
distillation
steel
wood
soft iron
copper
Earth and Mars
Venus and Earth
Mars and Jupiter
Moon and Mars
nuclear fusion
nuclear fission
Both (a) and (b) above
Neither (a) nor (b)
on the outer surface
in the inner surface
at the centre of the ring
None of the above
rough white
rough black
shining white
shining black
1
infinite
0
4
neutrons
electrons
phonons
photons
replace the fuse by a thin wire
replace the fuse by a thick copper wire
replace the fuse by a fuse wire of proper rating
replace the fuse by nichrome wire
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
1000 km
1500 km
2000 km
500 km
elliptical
a straight line
a parabola
a vertical line
resistance
charge
potential
charge/potential ratio
conservation of mass
Newtonian law of action and reaction
conservation of angular momentum
None of the above
short sight
long sight
astigmatism
presbyopia
Jupiter
Mars
Mercury
Saturn
no charge
positive charge
negative charge
can't be said
Liquid ammonia
Carbon tetrafluoride
Dichloro-difluoro-methane
Sulphur dioxide
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
cannot be attained experimentally
can be attained
is impossible
Does not exist at all
the ionised hydrogen molecule
the nucleus of helium atom
the nucleus of hydrogen atom
the positive counterpart of electron