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प्रश्न
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
विकल्प
Heat
Wind
Light
Sound
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उत्तर
The solar lamp uses the Light energy.
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संबंधित प्रश्न
A solar water heater cannot be used to get hot water on
Why is the copper tube of a solar water heater painted black from outside?
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Write the uses of solar cells.
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
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.
Draw a neat and labelled diagram.
One solar panel produces a potential difference of 18 V and current of 3 A. Describe how you can obtain a potential difference of 72 Volts and current of 9 A with a solar array using solar panels. You can use sign of a battery for a solar panel.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
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 |
Power available from solar cells : DC : : power require to run domestic equipments : _________
The potential difference available from a solar cell depends on its area.
State the importance of inverters.
Solar energy is a renewable energy. How?
What is the disadvantage of solar energy?
______ is considered as a great source of energy.
Write a note on Kamuthi Solar Project.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
