EASY
Earn 100

The energy stored in the coal is known as chemical energy.

50% studentsanswered this correctly

Important Questions on Work and Energy

EASY

Look at the diagram of the nuclear power station below:

Question Image

Write down the type of energy produced at D.

EASY
Why is sound a form of energy?
EASY
What type of energy do we get from food?
EASY
A form of energy in transit, which excites in us the sensation of warmth.
EASY
What is magnetic energy? Mention some examples also.
EASY
Define term fusion in Nuclear energy.
EASY

Look at the diagram of the nuclear power station below.

Question Image

Describe the energy transfer that takes place between the steam generator B and the turbine C.

Choose your answer from: Heat into Electrical/ Electrical into Mechanical/ Nuclear into Electrical/ Heat into Mechanical.

MEDIUM
Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun's energy?
EASY
What is light energy? Give some examples.
EASY
Pick out the incorrect one from the following.
MEDIUM
Explain briefly about the types of energy in action.
EASY
Write a short note on electrical energy. Give examples also.
HARD
How can you produce electricity from tides and from the wind? Explain.
EASY

Look at the diagram of the nuclear power station below.

Question Image

Write down the type of energy produced by the fuel at A.

EASY
The energy which is not derived from the sun is ______.
EASY
Define the term Nuclear fission.
MEDIUM
The most convenient form of energy is _____ energy.
EASY
A  20 V battery connected to a bulb drives a current of 5 A through it. The energy supplied by the battery in 10 minutes is:
EASY
Cotyledons are also called-
EASY
What is heat energy? Give some examples of bodies having heat energy.