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प्रश्न
Solar reflectors are important, why?
What is the importance/ function of a solar reflector?
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उत्तर
The solar panel consists of many reflectors that reflect and concentrate solar radiations on absorbers.
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संबंधित प्रश्न
What type of reactions occurring inside the sun produce solar energy?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
What is solar constant? What is the value of solar constant?
Why is the solar cooker box covered with a glass sheet?
The part of box-type solar cooker which is responsible for producing greenhouse effect is:
(a) plane mirror reflector
(b) black coating inside the box
(c) glass sheet cover
(d) utensils placed in the cooker box
The value of solar constant is:
(a) 1.4 kWh
(b) 1.4 kW/m
(c) 1.4 kW/m2
(d) 1.4 kW/m3
In order to make an efficient solar cooker, the cover of the cooker box should be made of:
If the solar constant is 1.4 kW/m2 then solar energy recived by 1m2area in one hour is:
(a) 5040 J
(b) 504.0 kJ
(c) 5040 kJ
(d) 5.04 kJ
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
Make a table based on forms of energy and corresponding devices:
| Forms of Energy | Devices | |
| a. | Electric | _________ |
| b. | Mechanical | Sewing machine, Bicycle |
| c. | Thermal | __________ |
| d. | _________ | Solar cooker, Solar heater |
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
Find an odd one out.
State the importance of inverters.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
______ is considered as a great source of energy.
The installed capacity of the Kamuthi solar power project is ______ MW.
Write a note on Kamuthi Solar Project.
