Advertisements
Advertisements
Question
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
Solution
infrared rays
Infrared rays make sunlight warm. The warmth of sunlight is used in a solar cooker.
APPEARS IN
RELATED QUESTIONS
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
What is a solar cell? Draw the labelled diagram of a solar cell.
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
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 many applications, solar cells are connected to rechargeable batteries. Why is this so?
Give scientific reason.
Hydropower, solar energy and wind energy are called renewable energy.
Choose the correct statement.
The installed capacity of the Kamuthi solar power project is ______ MW.
Write a note on Kamuthi Solar Project.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
