Which of the following is a radioactive substance?
Uranium
Barium
Lithium
Oxygen
Which of the following gas is released due to incomplete burning of fossil fuels?
SO3
CO
CO2
NO2
Which of the following conversion is taking place in battery?
Electrical to Chemical
Chemical to Electrical
Chemical to Heat
Magnetic to Electrical
What type of energy conversion is taking place in fan(blades)?
Chemical Energy to Electrical Energy
Electrical Energy to Kinetic Energy
Kinetic Energy to Electrical Energy
Chemical Energy to Heat Energy
Pick out the correct expression for kinetic energy.
mv2
mv
Which of the following is an example for non renewable energy resource?
Natural gas
Solar
Tidal
Biomass
Water flowing from a height has
kinetic energy
potential energy
electrical energy
both 1 and 2
The energy possessed by a charged body is the
magnetic energy
atomic energy
chemical energy
During nuclear fusion, which of the following atoms release energy when fuse or combine together?
Nitrogen
Hydrogen
Which of the following is the correct expression for potential energy?
mgh
gh