Question

The symbol used for angstrom is

• A. A
• B. K
• C. $\stackrel{o}{A}$
• D. M

Answer 1

The correct option is C

$\stackrel{o}{A}$

The explanation for the correct option:

(C) $\stackrel{o}{A}$

1. Angstrom is a unit of length or distance which is represented by the symbol $\stackrel{o}{A}$.
2. One angstrom is equal to ${10}^{-10}m.$

The explanation for the incorrect option(s):

(A) A

Ampere is a unit of electric current which is denoted by the symbol “A”.

(B) K

Kelvin is a unit of temperature which is denoted by the symbol “K”.

(D) M

M is generally used as a symbol for the quantity molar mass and is sometimes used for the quantity molarity.

Hence, the correct option is (C).