Question

Q.3. Answer question numbers 3(a)-3(d) on the basis given diagram and the
related studied concepts.
3(a) What is the principle of solar cooker?
3(b) What is the use of black painted surface in a
solar cooker?
3(c) 'Solar cooker is covered with a glass lid.' Give reason
3(d) Why there is a need of non-conventional sources
of energy?​

plz answer fast...

Answer 1

Answer:

Explanation:

Q3

(a) WORKS ON THE PRINCIPLE OF RADIATION

(b) BLACK IS USE AS PAINTED SURFACE BECAUSE BLACK ABSORBS MORE HEAT

(C) TO PREVENT FLOWING OFF OF SOLAR HEAT FROM SOLAR COOKER

(D) AS HEATING PROCESS IN RADIATION IS FAST AS COMPARE TO OTHERS BECAUSE IN RADIATION NO MEDIUM IS INVOLVED......

Hope it help you......