Advertisements
Advertisements
Question
State the energy changes which take place when:
In a heat engine.
Advertisements
Solution
The heat energy changes to mechanical energy.
RELATED QUESTIONS
What is nuclear energy?
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
What do you understand by the kinetic energy of a body?
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
What is geo thermal energy? Explain in brief.
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
Give one example when:
Electric energy changes to mechanical energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
Can you tell?
Describe one natural chain of transformation of energy.
When and why do clothes smell of naphthalene?
