English

What Are Renewable Energy Resources?

Advertisements
Advertisements

Question

What are renewable energy resources?

Short/Brief Note
Advertisements

Solution

Renewable energy resources are those that come from natural sources and are naturally replenished. These include solar energy (sunlight), wind energy from windmill (wind), hydroelectricity (rain), tidal energy from waves (tides), and geothermal energy (energy from the heat of the earth).

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Renewable and Non-renewable resources - Answer the questions brief

APPEARS IN

Oxford University Press Voyage Geography [English] Class 7
Chapter 11 Renewable and Non-renewable resources
Answer the questions brief | Q 1

RELATED QUESTIONS

 Name two energy sources that you would consider to be renewable. Give reasons for your choices.


Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?


Which of the following is not a renewable source of energy?

(a) wind
(b) flowing water
(c) fossil fuels
(d) fuel wood


The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.


State two important uses of natural gas


Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy. 

Name another element which is usually found in combination with X in fossil fuels.


Name the biomass which is still widely used as a source of heat energy in many household of our country.


 Write any two advantages of using biogas.


The major component of biogas is:

(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane


What type of nuclear reaction is responsible for the liberation of energy: 

 in a nuclear reactor?


The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:

(a) coal
(b) uranium
(c) petroleum
(d) natural gas


Renewable source of energy is :


Fill in the blank

Coal, petroleum, and natural gas are _________fuels.


State whether the following is True or False.

The Sardar Sarovar Dam is built on the river Narmada.


What is the main difference between renewable and non-renewable energy resources?


State the main difference between the renewable and non-renewable sources of energy.


Which of the following is a non-renewable source of energy?


The major problem in harnessing nuclear energy is how to ______.


Which among the following is the non-renewable resources?


Coal is one of the ______ used to cook food.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×