MEDIUM
7th ICSE
IMPORTANT
Earn 100

A man going up has potential energy and kinetic energy both.

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Important Questions on Energy

MEDIUM
7th ICSE
IMPORTANT
A gum bottle lying on the bench has no energy.
MEDIUM
7th ICSE
IMPORTANT
In an electric fan, electrical energy changes to mechanical energy.
MEDIUM
7th ICSE
IMPORTANT
Potential energy changes into kinetic energy when it is put to use.
MEDIUM
7th ICSE
IMPORTANT
One form of energy cannot be converted into other form.
MEDIUM
7th ICSE
IMPORTANT
There is always some loss of energy in conversion from one form of energy to another form. So the total energy is not conserved.
MEDIUM
7th ICSE
IMPORTANT
The energy of flowing water can be converted into electric energy (electricity).
MEDIUM
7th ICSE
IMPORTANT
An electric fan converts electrical energy into _____ (Chemical/ Mechanical) energy.
MEDIUM
7th ICSE
IMPORTANT
Cooking gas converts _____ (mechanical /chemical) energy into heat energy.