i. An electron is 1837 times lighter than a proton. ii. In Rutherford’s experiment of scattering of α-particles by thin gold foil,

Question

State true or false. Correct the false statement.

i. An electron is 1837 times lighter than a proton.

ii. In Rutherford’s experiment of scattering of α-particles by thin gold foil, most of the α-particles bounced back.

iii. Cathode rays are a stream of very small, positively charged particles.

Answer 1

i. True 

ii. False,

In Rutherford’s experiment of scattering of α-particles by thin gold foil, very few α-particles bounced back.

iii. False, 

Cathode rays are a stream of very small, negatively charged particles.