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प्रश्न
Complete the following flow chart.
उत्तर
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संबंधित प्रश्न
What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?
What type of reflector is used in a box-type solar cooker?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
What is a solar cell? Draw the labelled diagram of a solar cell.
Name the semi-conductor material which is usually used for making solar cells.
Write the uses of solar cells.
Why is the solar cooker box covered with a glass sheet?
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
Name two devices which can be utilised for the cooking of food so as to save fuel.
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R).
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
What are the major utilizers of solar energy in the world?
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 |
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
Find an odd one out.
Solar reflectors are important, why?
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?
Kamuthi solar power project is situated in ______ district in Tamil Nadu.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
