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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Dr suman 1 Best Answer
see the attachment.
answer to question is given as 0.124 nm.
do the excat calculation. i do it manually, then it may be some error. the procedure is absolutely correct. and the answer will also correct.
I did the calculation in virtual calculator
then the answer is correct.
given answer is wrong.