Advertisements
Advertisements
Question
Re-write the statement by selecting the appropriate option.
The solar lamp uses the ................... energy.
Options
Heat
Wind
Light
Sound
Advertisements
Solution
The solar lamp uses the Light energy.
APPEARS IN
RELATED QUESTIONS
Why is the copper tube of a solar water heater painted black from outside?
What type of reactions occurring inside the sun produce solar energy?
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.
Why is the solar cooker box painted black from inside?
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
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
In many applications, solar cells are connected to rechargeable batteries. Why is this so?
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.
What steps would you suggest to reduce energy consumption?
Write a short note on electrical energy generation and environment.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
Find an odd one out.
State the importance of inverters.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Complete the following flow chart.
What is the disadvantage of solar energy?
The installed capacity of the Kamuthi solar power project is ______ MW.
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?
