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प्रश्न
Write true or false of the following statement.
There is always some loss of energy in conversion from one form of energy to another form, so the total energy is not conserved.
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उत्तर
This statement is false.
Explantion:
There is always some loss of energy in conversion from one form of energy to the other form, so the total energy is conserved.
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संबंधित प्रश्न
Which of the following produces more heat (per unit mass) on burning?
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
Write the type of energy possessed in the following case:
A moving cricket ball.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
Give one example when:
Kinetic energy to potential energy.
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
