(A) Red
(B) Blue
(C) Green
(D) Black
Tag: Inorganic Chemistry
e/m values in cathode rays?
(A) Do not depend upon nature of gas
(B) Depend upon nature of gas
(C) Depends on amount of air
(D) None of the above
In the discharge tube in which direction cathode rays travel?
(A) Diagonal to surface of cathode
(B) Horizontal to surface of cathode
(C) Perpendicular to surface of cathode
(D) Spread on surface of cathode
Cathode rays were produced in discharged tube at?
(A) No voltage
(B) Ordinary voltage
(C) Low voltage
(D) High voltage
Which color of fluorescence is produced when cathode rays strike the walls of glass tube?
(A) Red
(B) Green
(C) Yellow
(D) Blue
A beam of electrons emitted from the cathode of a high vacuum tube is called?
(A) Cathode rays
(B) Anode rays
(C) Cation
(D) None of the above
What is Anode?
(A) Cathode is positively charged electrode
(B) Cathode is negatively charged electrode
(C) Cathode is neutral electrode
(D) None of the above
What is Cathode?
(A) Cathode is positively charged electrode
(B) Cathode is negatively charged electrode
(C) Cathode is neutral electrode
(D) None of the above