Give some uses and advantages of solar energy
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|
0
|
1085
|
March 16, 2018
|
Write the types of preference shares
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0
|
4912
|
August 2, 2016
|
The Government of Delhi and Delhi Transport Corporation (DTC) have converted passenger
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1
|
698
|
July 8, 2016
|
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer
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0
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6504
|
July 8, 2016
|
What are the environmental consequences of using fossil fuels? Suggest the steps to minimise
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1
|
4128
|
July 8, 2016
|
Why is there a need for harnessing non-conventional sources of energy?
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1
|
4092
|
July 8, 2016
|
The Government of Delhi and Delhi Transport Corporation (DTC) have converted passenger buses
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1
|
1932
|
July 8, 2016
|
Define the process of nuclear fission.Write the steps involved in generating electricity in a nuclear reactor
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0
|
10852
|
July 8, 2016
|
Electricity generated at hydroelectric power stations is considered to be another form of solar energy. Explain
|
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0
|
2925
|
July 8, 2016
|
Manisha loves to cook a variety of food. She , is busy all the time baking, frying, heating
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1
|
751
|
July 8, 2016
|
Shalini makes a model of box type solar cooker. She uses a black translucent plastic sheet
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1
|
1020
|
July 8, 2016
|
Write two different ways of harnessing energy from ocean
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0
|
8632
|
July 8, 2016
|
Solar energy can be harnessed directly as well as indirectly. Give two examples of each type
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|
0
|
3788
|
July 8, 2016
|
Hydro energy is an indirect source of solar energy. Justify
|
|
0
|
3640
|
July 8, 2016
|
Radheshyam is a prosperous farmer. He happily ensures.that the cow-dung and other biological
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1
|
773
|
July 8, 2016
|
Bio-gas is considered to be a boon to the farmers. Give reasons
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|
0
|
9171
|
July 8, 2016
|
State the main differences between thermal power and hydro power plants based on electricity
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|
1
|
11561
|
July 8, 2016
|
Name the places of our country where fields of natural gas are found
|
|
1
|
1656
|
July 8, 2016
|
Why is there so much emphasis on changing over from petrol/diesel driven automobiles
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|
1
|
6132
|
July 8, 2016
|
Increasing demand of fossil fuels has caused harm to our environments
|
|
1
|
4052
|
July 8, 2016
|
Sonali went to her ancestral village along with her father during the summer holidays
|
|
1
|
553
|
July 8, 2016
|
World energy consumption pattern indicates that the energy consumption will be tripled
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|
1
|
1332
|
July 8, 2016
|
If energy in the universe is constant, why is the world yelling out for energy crisis?
|
|
1
|
2460
|
July 8, 2016
|
What is a nuclear waste? What are the hazards of nuclear waste to living things?
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|
0
|
2180
|
July 8, 2016
|
Expand OTEC. On what principle is it based?
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|
0
|
5295
|
July 8, 2016
|
Name the type of reaction in the sun which produces its energy
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|
1
|
2320
|
July 8, 2016
|
List the causes of increasing energy requirements
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0
|
1157
|
July 8, 2016
|
Why is tidal energy not exploited on a commercial scale?
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|
0
|
1423
|
July 8, 2016
|
A student has set up a solar cooker in a box by using a black painted aluminium sheet,
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1
|
2457
|
July 8, 2016
|
State the type of energy conversion taking place in (i) thermal power plant and (ii) solar power plant
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|
0
|
1367
|
July 8, 2016
|