1. Write down any two renewable sources of energy.
2) What are the differences between renewable and non renewable sources.
3) Force of 250N is used for pushing a100Kg box through distance of 5m along a horizontal floor. Compute the work done and energy transformed.
4) What do you mean by energy?
5) Write down the different forms of energy?
6) Write down the compounds present in the coal.
7) Write down the name of the products which can be obtained from crude oil.
8) What are conventional sources of energy?
9) Write down the name of at least three green house gases responsible for global warming.
10) Describe why it is essential to develop non-conventional method of generating electrical energy.
11) Explain energy requirement of rural consumers and write down the possible alternative source of energy to meet the demand.