MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is meant by transformation of energy? Give some examples of interconversion of several forms of energy.

Important Questions on Work, Energy and Power

MEDIUM
9th CBSE
IMPORTANT
What is meant by the law of conservation of energy?
MEDIUM
9th CBSE
IMPORTANT
How is energy conserved during a free fall of an object from certain height?
EASY
9th CBSE
IMPORTANT
What is meant by power?
MEDIUM
9th CBSE
IMPORTANT
Is power a scalar or vector quantity?
MEDIUM
9th CBSE
IMPORTANT
What is the SI unit of power?
MEDIUM
9th CBSE
IMPORTANT
What is the commercial unit of energy?
MEDIUM
9th CBSE
IMPORTANT
When do we say that 1 J of work is done.
EASY
9th CBSE
IMPORTANT
Define 1 W of power.