Which of the following energy sources cannot be replaced once they have been used up?
Wind
Water
Renewable energy source
Non - renewable energy sources
Which element is used as fission fuel in nuclear power station?
Hydrogen
Uranium
Helium
Radium
In food carbohydrates are a store of
Thermal energy
Chemical energy
Strain energy
All the above
Kinetic energy, is also known as
Gravitational energy
Electrical energy
Movement energy
When an object with kinetic energy touches another object it exerts a
Magnetic force
Electric force
Contact force
Non contact force
Most of the energy from the sun is in the form of
UV radiation
Infra red radiation
Electromagnetic radiation
Which of the following causes chemical changes in our skin?
Sound waves
Radio waves
Which of the following energy is produced by the vibration of an object?
Radiation energy
Sound energy
Magnetic energy
Nuclear energy
Which of the following can be stored?
Work done
Energy
Force
Power
Which of the following is a form of electromagnetic waves and produces heating effect on our skin?
Radioactive radiation