Advertisements
Advertisements
प्रश्न
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
पर्याय
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Compare and contrast fossil fuels and the Sun as direct sources of energy
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
Which of the following is not a renewable source of energy?
(a) wind
(b) flowing water
(c) fossil fuels
(d) fuel wood
What is the composition of liquefied petroleum gas (LPG)?
Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides
(b) sulphur oxides
(c) sodium oxides
(d) carbon oxides
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
Name the device
Name the original source of wind energy.
Compare the sun and the fossil fuels as the sources of energy.
One of the following is not required in the formation of biogas in a biogas plant. This is:
(a) cow-dung
(b) water
(c) oxygen
(d) anaerobic bacteria
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
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
Who is the odd one out?
Why is charcoal considered better fuel than wood?
Which of the following is a non-renewable source of energy?
Write about Renewable resources.
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
