Question

1˚A is equal to

A
108cm
B
104cm
C
106cm
D
103cm
Solution
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The Angstrom is a unit of length equal to 1010 m (one ten-billionth of a metre) or 0.1 nm. Its symbol is a letter in the Scandinavian alphabets. 1 ˚A = 108cm, 104µm, 0.1 nm, 100 pm.
Hence, option A is correct.

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