Discovery of proton

Question 1

Method Of Discovery

Answer 1

• Use of modified discharge tube with perforated cathode
  *Produced Canal Rays

Question 2

Canal Rays Properties

Answer 2

1) Are positively charged particles
2) Depend on nature of gas
3) Specific charge depends on gas used
4) Canal rays carry multiple fundamental unit charge
5) Behaviour opposite to cathode rays

Question 3

Charge (when H gas used)

Answer 3

+1.602 X 10^-19 C

Question 4

Relative Charge

Answer 4

+1

Question 5

Mass (when H gas used)

Answer 5

1.672 X 10^-27 kg