Question

plz ans my ans as soon as possible ku ke yrr icse kaa papar haa plz correct ans kar naa and follow me​

Answer 1

Ans12 :- An angstrom = 0.1 nanometers. There are 10 angstroms in a nanometer. this is how it is related.

Ans13 :- samller units are :-

1. nanometre

2.angstrom

3.fermi

1nm = 10power -9m

1 angstrom = 10power-10m

1fermi = 10 power-15m

bigger units are :-

1.astronomical unit

2.light year

3.parsec

1a.u = 1.496*10power11m

1light year = 9.46*10power15m

1 parsec = 3.08*10power16m

Ans14 :- SI unit of mass is Kg. mass can be defined as the number of atoms or molecules or metal present in an object.

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