Q. Area of nuclear cross-section is measured in "Barn". It is equal to:

1172 204 Some Basic Concepts of Chemistry Report Error

A

$1 0^{- 20} m^{2}$

8%

B

$1 0^{- 30} m^{2}$

8%

C

$1 0^{- 28} m^{2}$

80%

D

$1 0^{- 14} m^{2}$

4%

Solution:

$1 B a r n = 1 0^{- 28} m^{2}$