Sarthaks Test
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Calculate the number of electrons which will together weigh one gram.

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Mass of one electron = 9.10939 × 10–31 kg
Number of electrons that weigh 9.10939 × 10–31 kg = 1
Number of electrons that will weigh 1 g (1 × 10–3 kg)

=1/9.10939*10-31*(1*10-3 kg)

= 0.1098 × 10–3 + 31
= 0.1098 × 1028
= 1.098 × 1027
 

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