Advertisements
Advertisements
प्रश्न
Explain why is it no wise to regard wood as a renewable sources of energy.
Advertisements
उत्तर
Use of wood is a renewable source but is not advised to use, because saplings take a long time to become a tree.
APPEARS IN
संबंधित प्रश्न
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
Compare and contrast biomass and hydroelectricity as sources of energy.
Most of the sources of energy that we sue represent stored solar energy. Which of the following is not ultimately derived from the sun's energy?
(a) wind energy
(b) geothermal energy
(c) fossil fuels
(d) biomass
The gravitational pull of the moon cause the sea-water to rise periodically.
(a) What name is given to the condition of the sea when water to rise periodically.
(b) What name is given to the condition of the sea when its raised water recedes?
(c) What name is given to the energy which can be harnessed from this natural phenomenon?
(d) Draw labelled diagram to show how this energy can be harnessed from this natural
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
Can you tell?
What is ‘green energy’?
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
