Question

Which of the following conversions is incorrect?

• A. 1 curie = 3.7 × 10¹⁰ s^-1
• B. 1 barn = 10^-25 m²
• C. 1 quintal = 100 kg
• D. 1 litre = 10^-3 m³

Answer 1

Answer: (B)

1 barn = 10^-25 m²

Answer 2

1 barn = 100 $fm^{2}$= $10^{- 28}m^{2}$ ($\because 1fm = 10^{- 15}m$)