Question

Which of the following observations was not correct during Rutherford’s scattering experiment?

• A. Most of the$\alpha$ - particles passed through the gold foil undeflected.
• B. A small fraction of the $\alpha$ - particles was deflected by small angles.
• C. A large number of $\alpha$ - particles were bounced back.
• D. A very few $\alpha$ - particles ($\sim$1 in 20,000) were bounced back.

Answer 1

Answer: (C)

A large number of $\alpha$ - particles were bounced back.

Answer 2

: Only a few $\alpha$ - particles ( 1 in 20,000) bounced back.