HARD
Earn 100

What type of energy transformation occurs in a hydropower plant?
(a)Potential energy to kinetic energy to electrical energy
(b)Chemical energy to heat energy to electrical energy
(c)Kinetic energy to chemical energy
(d)Potential energy to chemical energy

50% studentsanswered this correctly
Important Questions on Work, Energy and Power
HARD

EASY

EASY

MEDIUM

EASY

EASY

EASY

MEDIUM
Explain the difference.
Thermal electricity generation and solar thermal electricity generation.

EASY
Which is the best method for the generation of electric power by using solar cell?

MEDIUM

MEDIUM
Which two methods are commonly used to convert solar energy into electrical energy?

MEDIUM
What is generated in a solar cell, when sunlight strikes the semiconductor material?

EASY
The _____ energy stored in the wood gets converted into heat and light energies when it is burnt.

HARD

EASY

EASY

MEDIUM
What are the advantages and limitations of solar energy?

EASY

EASY

MEDIUM
Which one of the following principles is used for directly generating an electric current using sunlight?

