Question 1 Explain the principle and working of solar cooker? Question 2 Why is solar cooker painted black from inside? Question 3 Why is solar cooker box covered with a glass sheet? Question 4 What kind of mirror is used in solar cookers and why? Question 5 What are the advantages of solar cooker? Question 6 What are the disadvantages of solar … [Read more...] about Solar Energy
Sources of Energy
Natural Gas
Question 1 What is the composition of natural gas? Question 2 How is natural gas formed? Question 3 State few uses of natural gas? Question 4 Why natural gas is considered to be a good fuel? Question 5 Explain the working of thermal power plant? Question 6 What are the disadvantages of burning fossil fuels? Question 7 What steps should be taken to control … [Read more...] about Natural Gas
Fossil Fuels
Question 1 What are fossil fuels? Give examples of fossil fuels? Question 2 How fossil fuels were formed? Question 3 How Sun is considered as ultimate source of fossil fuels? Question 4 How coal is formed? Question 5 How petroleum is formed? Question 6 Why LPG is considered a better fuel than coal? Question 7 What is meant by conventional sources of … [Read more...] about Fossil Fuels
Fuels
Question 1 What is a fuel? Give few examples? Question 2 What are the characteristics of an ideal fuel or good fuel? Question 3 What is a source of energy? Question 4 State four characteristics of a good source of energy? Question 5 What is meant by renewable sources of energy? Give few examples? Question 6 What is meant by non- renewable sources of energy? Give … [Read more...] about Fuels