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प्रश्न
What should be the characteristic of a source of energy?
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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
Define work.
The moon is revolving around the earth in a circular path. How much work is done by the moon?
Define 1 joule of energy.
Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
The work done on an object does not depend on the :
Each of the following statement describes a force acting. Which force is causing work to be done?
Can every force produce work?
Name the physical quantity whose MKS units are kgm2s-3.
