Question

which property of concove mirror is use in making salar cocker
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Answer 1

Answer:

please give the question properly

what is the meaning of "salar cocker"

Answer 2

$A \: concave \: mirror \: is \: used \\ in \: solar \: cooker \: because \\ it \: converges \: light \: rays \\ coming \: from \: infinity \\ to \: a \: point \: so \: that \: more \: heat \\ is \: produced \: at \: the \: point \: \\ sufficient \: to \: cook \: the food.$