The aviation fuel which is used in the engines of jet aeroplanes is :
diesel
kerosene
petrol
CNG
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
A non-renewable source of energy is
wood
alcohol
hydrogen gas
natural gas
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
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
A good fuel is one which possesses
high calorific value and low ignition temperature
high calorific value and high ignition temperature
high calorific value and moderate ignition temperature
low calorific value and moderate ignition temperature
The product of petroleum used to drive heavy vehicles like trucks is
petroleum gas
Which of the following substance can be used to construct a solar cell ?
Silicon
Germanium
Silver
Platinum
The system or device which converts radiant energy of the sun directly into electric energy
Solar cell
Solar cooker
Tidal power plant
Thermal power plant
