An example of a renewable source of energy is
petrol
natural gas
biogas
kerosene
The disposal of wastes produced in a nuclear power plant poses a big problem because it is
too heavy
highly inflammable
extremely foul smelling
highly radioactive
The ultimate source of energy stored in fossil fuels is
moon
earth
sun
sea
Which of the following substance can be used to construct a solar cell ?
Silicon
Germanium
Silver
Platinum
The 'coolants' which can be used in the reactor of a nuclear power station are
liquid mercury and nitrogen dioxide
liquid sodium and carbon dioxide
liquid ammonia and carbon monoxide
liquid boron and uranium oxide
LPG consists mainly of
butane
ethane
butanone
methane
The source of energy of the sun is :
conversion of hydrogen gas into helium
conversion of carbon fuel into carbon dioxide
burning of hydrogen gas present in the sun
disintegration of uranium into barium and krypton
An uncontrolled nuclear chain reaction forms the basis of
nuclear power plant
hydrogen bomb
thermal power station
atom bomb
Which of the following is not an example of a bio-mass energy source?
wood
gober gas
nuclear energy
coal
One MeV of nuclear energy is equivalent to
1.6 x 10-13J
1.6 x 10-19J
1.6 x 10-16J
1.6 x 10-15J
