Advertisements
Advertisements
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
Advertisements
उत्तर
c) Mirrors
APPEARS IN
संबंधित प्रश्न
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
Name the device which converts sunlight into electricity.
Write the uses of solar cells.
State the advantages and disadvantages of using solar cells.
What is a solar cell panel? For what purpose is it used? State its two main advantages.
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
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
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.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R).
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.
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
State the importance of inverters.
Solar energy is a renewable energy. How?
What is the disadvantage of solar energy?
______ is not harmful to the environment.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
