Dual Nature Of Radiation And Matter Ques 11
11. In a discharge tube ionization of enclosed gas is produced due to collisions between
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(a) negative electrons and neutral atoms / molecules
(b) photons and neutral atoms /molecules
(c) neutral gas atoms / molecules
(d) positive ions and neutral atoms / molecules
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Answer:
Correct Answer: 11.(a)
Solution:
- (a) When electrons emitted from cathode collide with gas molecules or atoms, they knock out outer electrons and produce positively charged ions. They become part of positive rays.
BETA
