Question

solve the given questions​

Answer 1

$\huge{\mathfrak{\pink{\underline{\boxed{\blue{answer}}}}}}\ \\ 1. \: a + r + t = 1 \\ 0.54 + 0.16 + t = 1 \\ 0.7 + t = 1 \\ t = 1 - 0.7 = \: 0.3 \\ Heat \: Transmitted \: = \: 0.3 \times 4000 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 1200j \\ 2. \: option \: A \\ 3.option \: B \\ 4. option\:B\: \\ answer \: is \: in \:the \: attachment$

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