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प्रश्न
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
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उत्तर
c) Mirrors
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संबंधित प्रश्न
A solar water heater cannot be used to get hot water on
Name the device which converts sunlight into electricity.
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.
What is solar constant? What is 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
The radiations present in sunlight which make a solar cooker work are:
(a) visible light rays
(b) ultraviolet rays
(c) comic rays
(d) infrared rays
Name two devices which can be utilised for the cooking of food so as to save fuel.
What steps would you suggest to reduce energy consumption?
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.
Write a short note on electrical energy generation and environment.
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
What are the major utilizers of solar energy in the world?
State the importance of inverters.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Complete the following flow chart.
Solar energy is a non depleting energy. Justify.
Kamuthi solar power project is situated in ______ district in Tamil Nadu.
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?
