Q. Positive rays are produced
A. By burning of gas
B. By cooling of the gas
C. By the bombardment of cathode rays on gas molecules
D. From anode like cathode rays produced from cathode
Answer: By the bombardment of cathode rays on gas molecules
A. By burning of gas
B. By cooling of the gas
C. By the bombardment of cathode rays on gas molecules
D. From anode like cathode rays produced from cathode
Answer: By the bombardment of cathode rays on gas molecules