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Question
Give one example when:
Heat energy changes to kinetic energy.
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Solution
In the automobile engine, heat energy changes to kinetic energy.
RELATED QUESTIONS
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
Fill in the blank
The energy possessed by a body due to its position is called ________ energy.
Name three non-renewable sources of energy.
Give one disadvantage of using a solar cell.
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MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
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Unit of calorific value of a substance is ____________.
