SEBA Class 10 Science Important Chapter 14 Source of Energy

SEBA Class 10 Science Important Chapter 14 Source of Energy Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 10 Science Additional Solutions in English and select need one. SEBA Class 10 General Science Additional Notes English Medium Download PDF. SEBA Important Solutions for Class 10 Science.

SEBA Class 10 Science Important Chapter 14 Source of Energy

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam SEBA Board Class 10 General Science Additional Question Answer are part of All Subject Solutions. Here we have given NCERT Class 10 Science Important Question Answer English Medium for All Chapters, You can practice these here.

Source of Energy

Chapter: 14

IMPORTANT QUESTION ANSWER

Q.1. What are two types of of energy?

Ans: The two types of energy are:

(a) Kinetic energy

(b) Potential energy.

Q.2. Which process converts solar energy to chemical energy? 

Ans: Photosynthesis.

Q.3. Name the components of solar energy not visible to us. 

Ans: Ultraviolet and infrared rays. 

Q.4. What is full form of L.P.G.?

Ans: The full form of LPG is Liquified Petroleum Gas.

Q.5. Write the full name of C.N.G. 

Ans: The full form of CNG is Compressed Natural Gas.

Q.6. Write the name of two fossil fuel. 

Ans: Coal, oil, and natural gas are examples of fossil fuels.

Q.7. What is the alternative name for renewable sources of energy? 

Ans: Non-conventional sources. 

Q.8. Mention any two fuels that form the renewable sources of energy. 

Ans: 1. Wood. and 

2. Biogas. 

Q.9. In a hydroelectric power plant, what kind of energy is converted into electrical energy? 

Ans: Potential energy into electrical energy. 

Q.10. Mention any two uses of wind energy. 

Ans: The two uses of wind energy are listed below: 

(a) generating power. and 

(b) Electricity. 

Q.11. Name the device which directly converts solar into electrical energy. 

Ans: Solar cells. 

Q.12. What are the disadvantages of gaseous fuels? 

Ans: Disadvantages of Gaseous Fuels: 

(a) Gases are difficult to control and can be dangerous if not handled properly.

(b) Storage tanks take up a lot of space.

(c) Gaseous fuels are that it is difficult to store because pressure must be limited, fire hazards are more prevalent because of higher vapour concentrations, combustion can produce toxic chemicals not found in traditional fuels, and nitrogen pollution is an issue.

(d) Gaseous fuel is expensive to set up and maintain, especially since it requires specialized expertise to acquire the fuel and equipment necessary for the process.

(e) It can be more expensive than other forms of fuel. Additionally, it can be difficult to find a place to refuel, and the infrastructure for delivering gaseous fuel is often not as developed as it is for liquid fuels. 

(f) Gaseous fuel can be dangerous if not handled properly. It can cause suffocation and explosions if it leaks.

Q.13. Why L.P.G. is called a good fuel? 

Ans: L.P.G. is considered as a good fuel because of the following reasons: 

(a) It has a high calorific value (50 kJ/g).

(b) It burns with a smokeless flame and hence does not pollute the air.

(c) It is easy to handle and convenient to store.

(d) It is a clean domestic fuel and does not produce any harmful gas.

Q.14. Write two advantages of classifying energy sources as renewable and non-renewable. 

Ans: (i) Which energy source should be used judiciously, that it could be used for maximum length of time e.g. non-renewable sources. 

(ii) To develop newer methods to use a particular source economically, e.g. – renewable sources. 

Q.15. What is a fuel? 

Ans: Fuel is anything that provides energy..it can be in solid ,liquid or gaseous form. For eg. Gasoline (petrol, diesel, compressed natural gas ,etc.) is a fuel for automobiles,aeroplanes, Food is a fuel for human beings, oxygen along with sunlight ,water and certain minerals serve as fuel for the plants So anything that serves the purpose of providing energy to perform various life functions such as breathing,respirating or reproduction even. can be termed as fuel in case of living organisms. For non-living things fuel assist them in motion by providing the adequate energy.