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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
उत्तर
The solar lamp uses the Light energy.
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संबंधित प्रश्न
Why is the copper tube of a solar water heater painted black from outside?
Explain why, a plane mirror reflector is used in a box-type solar cooker.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
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
A solar cooker may not cook food if
(a) the solar cooker is not placed in the shade
(b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used
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.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
What are the major utilizers of solar energy in the world?
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Find an odd one out.
Power available from solar cells : DC : : power require to run domestic equipments : _________
Complete the following flow chart.
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
Solar energy is a renewable energy. How?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
