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Question 1
(1) has reflecting material of anodized aluminium sheet.
(2) has a reflectivity of less than 50%
(3) needs to track the sun to deliver power of about 0.6 kW.
(4) uses a parabolic dish to concentrate the incident solar radiation
(5) can have the bottom vessel temperature over 1000°C.
Choose the correct answer from the options given below:
Question 2
(A) Module
(B) Array
(C) Solar cell
(D) Array field
Choose the correct answer from the options given below :
Question 3
Question 4
Assertion (A) : Solar ponds, store solar energy in the form of heat.
Reason (R) : Solar ponds contain water with definite gradient of salt concentration.
In the light of the above statements, choose the most appropriate answer from the options given below :
Question 5
A) Silicon (Si)
B) Tin oxide (SnO)
C) Cadmium Sulphide (CdS)
D) Gallium Arsenide (GaAs)
Choose the correct answer from the options given below:
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UGC NET & SETPaper I