MEDIUM
Earn 100

Which of the following devices converts chemical energy to electrical energy?

50% studentsanswered this correctly

Important Questions on Work, Energy and Power

HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which type of energy transformation occurs when a car brakes to stop?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which of the following best describes potential energy?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy

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

HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What is the primary energy transformation in a solar panel?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What type of energy is stored in food?
HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which energy transformation occurs in photosynthesis?
HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What type of energy transformation occurs in a hydropower plant?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which of the following energy transformation takes place in a photo cell?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What form of energy is possessed by a hot cup of tea?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy

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

HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What happens to kinetic energy if the velocity of an object is doubled?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What happens to the total mechanical energy in an ideal system?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which form of energy is stored in a stretched rubber band?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What happens to energy in a closed system?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy

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

EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which of the following is an example of chemical energy?
EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy

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

EASY
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which type of energy is produced by the movement of electric charges?
HARD
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
What type of energy transformation occurs in a windmill?
MEDIUM
Science>Physics>Work, Energy and Power>Different Forms of Energy and Transformation of Energy
Which energy transformation takes place in an electric bulb?