Neha Jindal Solutions for Chapter: Sources of Energy, Exercise 3: EXERCISES
Neha Jindal Physics Solutions for Exercise - Neha Jindal Solutions for Chapter: Sources of Energy, Exercise 3: EXERCISES
Attempt the practice questions on Chapter 5: Sources of Energy, Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. SCIENCE PHYSICS solutions are prepared by Experienced Embibe Experts.
Questions from Neha Jindal Solutions for Chapter: Sources of Energy, Exercise 3: EXERCISES with Hints & Solutions
Name the gas which is formed by decomposition of plant and animal matter in marshy area.
Name and briefly explain three ways of harnessing energy from the sea.
Give example of conventional and non-conventional sources of energy. Give a brief description of harnessing any non-conventional source of energy.
What are the environmental consequences of using fossil fuels? What steps can be taken to minimise the pollution caused by various sources of energy including the non-conventional sources of energy?
What is meant by energy crisis? Why are we facing energy crisis in the world of today? Suggest steps to prevent energy crisis.
Seleena covered the box type solar cooker made by her with a black plastic sheet. How does it affect the efficiency of the device? If efficiency is less, give reasons.
Nowadays, coal used in thermal power plants is being replaced by CNG. Do you think CNG is a sustainable and clean fuel? Give reasons.
What are solar concentrators? Can they be used to generate electricity without using solar cell? Explain.
