Assertion(A): Solar cooker concentrates solar energy from over a wide area into a small area.
Reason (R): Convex lens are used in solar cookers.
a) Both A and R are true, and R is the correct explanationof the A
b) Both A and the R are true, but the R is not the correct explanation of the A
c) A is true, but R is false.
d) A is false, but R is true.
note : if u answer correctly I will mark as brilliant
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Answer:
c )..
is correct ans.... for that