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प्रश्न
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
पर्याय
Heat
Wind
Light
Sound
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उत्तर
The solar lamp uses the Light energy.
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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 are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?
Name some of the solar energy devices.
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.
State the advantages and disadvantages of using solar cells.
What is solar constant? What is the value of solar constant?
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
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
In many applications, solar cells are connected to rechargeable batteries. Why is this so?
Name one source of energy which is not derived from solar energy directly of indirectly.
What steps would you suggest to reduce energy consumption?
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 |
The power produced from solar cells is a DC.
Solar reflectors are important, why?
Choose the correct statement.
Kamuthi solar power project is situated in ______ district in Tamil Nadu.
______ is considered as a great source of energy.
