Advertisements
Advertisements
प्रश्न
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
पर्याय
Heat
Wind
Light
Sound
Advertisements
उत्तर
The solar lamp uses the Light energy.
APPEARS IN
संबंधित प्रश्न
A solar water heater cannot be used to get hot water on
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?
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
With the help of a labelled diagram, explain the construction and working of a solar cooker.
Why is the solar cooker box covered with a glass sheet?
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?
Solar cells are used to provide the electric current to charge the batteries of a car driven by an electric motor. Describe the energy changes which take place.
Which of the following is used in solar cooker to harvest the solar energy?
a) Solar panels
b) Silicon cell
c) Mirrors
d) Glass lid
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.
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 : _________
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
______ is considered as a great source of energy.
Observe the figure and label it properly:
- What is the figure related to?
- Why are reflectors used?
- Draw a flow chart showing different stages in such a process.
- How is the process used to generate electricity?
- What other method can be used to generate electricity using the same energy source?
