Look at a metre scale carefully and answer the following question: How many mm are there in a cm?
Hence, the answer is 10mm.
In a pure semiconductor, the number of conduction electrons is 6×1019 per cubic metre. How many holes are there in a sample of size 1 cm×1 cm×1 mm ?
Look at a meter scale carefully and answer the following question: How many mm are there in a m?
A metre scale is graduated at every millimetre. How many significant digits will be there in a limo measurement with this scale ?