Energy (X)

What does 'm' stand for in the given equation?

E=mc²

• Motion

• Mass

• Measurement

• Moving body

Which one of the following is a non-renewable source of energy?

• Coal

• Petrol

• Biogas

• Wind energy

Solar energy stored in the materials such as wood, sugar, biogas is called.....

• Fossil fuels

• Biomass

• Geothermal energy

• Tidal energy

The example of secondary source of energy is....

• Wood

• crude oil

• kerosene

• animal dung

Which one is the limitation of solar energy?

• not available during night

• not available uniformly

• not available during cloudy days

• all of them

Which one of the following causes air pollution?

• Hydropower

• Wind energy

• Tidal energy

• Fossil fuels

Nuclear energy is produced by .....

• Nuclear fission

• Nuclear fusion

• Both of them

• Non of them

Nuclear energy is advantageous because.....

• Waste produced in nuclear fission can be stored easily

• Causes less pollution

• produced energy for 2-3 years continuously

• used by many countries of the world

Which one is used to produced energy by nuclear fission?

• Uranium

• Barium

• Krypton

• Hydrogen

What type of reaction occurs in sun?

• Nuclear fission

• Nuclear fusion

• Both of them

• Non of them