CBSE Worksheet for chapter-5 Sources of Energy class 10

Worksheet For class 10

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Summary

• Energy, Sources of energy – Types and Characteristics
• Solar Energy – Composition, uses, Advantages, limitations, Solar devices
• Wind energy, Hydro energy, Tidel Energy, Ocean Thermal energy, Geothermal Energy
• Bio Energy, Fuel – types of fuels

Section 1 - Objective

Q1. Solar energy can be used to produce:

1. Electrical energy
2. Heat energy
3. Mechanical energy
4. All of the above

Q2. The energy possessed by wind is:

1. Kinetic energy
2. Potential energy
3. Thermal energy
4. Sound energy

Q3. The fuel used in a steam engine is:

1. Water
2. Carbon monoxide
3. Carbon dioxide
4. None of these

Q4. A solar cell converts heat and light energy into:

1. Heat energy
2. Sound energy
3. Electrical energy
4. None of these

Q5. Biogas is a mixture of:

1. CO + H₂+ CH₄
2. CO + H₂
3. CO₂ + CH₄ + H₂ + H₂S
4. CO + N₂

Q6. The sources of energy which are being produced continuously in nature and are inexhaustible are called:

1. Conventional sources
2. Non- conventional sources
3. Non- renewable sources
4. None of these

Q7. Energy available from the oceans is:

1. OTE
2. Sea- waves energy
3. Tidal energy
4. All of these

Q8. Radiations used to get relief from body aches are:

1. Infra-Red radiations
2. UV radiations
3. Visible radiations
4. None of these

Q9. Wood is a:

1. Primary fuel
2. Liquid fuel
3. Processed fuel
4. Secondary fuel

Q10. Which of the following is an example of fossil fuel?

1. Coal gas
2. Coke
3. Natural gas
4. Producer gas

Section 2 - Subjective

Q1. Distinguish between renewable and non – renewable sources of energy.

Q2. Write the advantages and uses of solar energy.

Q3. Define fuel. State its types.

Q4. Explain the following: (i) Wind Energy (ii) Hydro Energy (iii) Geothermal Energy

Q5. Explain geothermal energy. How can it be harnessed to produce electrical energy?

Q6. What is a solar cell? Why and how is a solar cell application and panel prepared? List two limitations of these panels.

Q7. It has been observed that the construction of big dams have certain problems associated withthen. List three problems.

Q8. How is the supply of electricity maintained in a windmill when there is no wind? In a solar panel when there is no sun?

Q9. It is advised to plant more trees along roadsides. Why?

Q10. Explain ocean-thermal energy and how can it be harnessed. Mention nay tow limitations in obtaining the energy from the oceans?

Solutions for Section 1 & 2

Objective Problems: