Which of the following processes release nuclear energy ?
nuclear fission
nuclear fusion
nuclear fission and nuclear fusion
chemical reaction
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
One atomic mass unit (u) is equivalent to an energy of
931 eV
9.31 MeV
1 MeV
931 MeV
The ultimate source of energy stored in fossil fuels is
moon
earth
sun
sea
The aviation fuel which is used in the engines of jet aeroplanes is :
diesel
kerosene
petrol
CNG
LPG consists mainly of
butane
ethane
butanone
methane
The product of petroleum used to drive heavy vehicles like trucks is
petroleum gas
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
Which of the following is not a fossil source of energy?
kerosene oil
cow-dung cakes
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
