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Grade 12th passWave Motion

Which of the following is the smallest unit?
A
millimetre
B
angstrom
C
fermi
D
metre

Profile image of ankit singh
5 Years agoGrade 12th pass
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1 Answer

Profile image of ankit singh
5 Years ago

ANSWER

Metre is the SI unit of length.
1 millimetre=103 metre
1 angstrom=1010 metre
1 fermi=1015 metre
So, fermi is the smallest unit.