Advertisements
Advertisements
प्रश्न
What should be the characteristic of a source of energy?
Advertisements
उत्तर
A good source of energy should have the following characteristics:
(i) It should do a large amount of work per unit mass or volume.
(ii) It should have a high calorific value.
(iii) It should be easily accessible over a long period of time.
(iv) It should be economical and easy to store and transport.
(v) It should be safe and convenient to use.
संबंधित प्रश्न
Derive a relationship between S.I. and C.C.S. unit of work
The energy of a body is its capacity to do .........
Give reasons for the following A teacher moving around in the class is doing work but a child standing and reading a book is not doing any work.
Explain by an example that a body may possess energy even when it is not in motion.
Give an example
Electrical energy changes of sound energy.
How much energy is gained by a box of mass 20 kg when a man, runs carrying the box with a speed of 3 m/s-1 to catch the bus?
A ______ should act on an object.
