Column-I contains the process of emission of electrons while column-II contains the method to achieve emission. Match column I and II. Column -IColumn -II(i) Thermionic emission[A] By irradiating with light(ii) Photoelectric emission[B] By applied strong electric field(iii) Field emission[C]By colliding accelerated electrons on metals(iv) Secondary emission[D] By heating

Column-I contains the process of emission of electrons whil…

Physics Atomic and Nuclear Physics Mix MCQ (Single Correct)

Column-I contains the process of emission of electrons while column-II contains the method to achieve emission. Match column I and II.

Column -I	Column -II
(i) Thermionic emission	[A] By irradiating with light
(ii) Photoelectric emission	[B] By applied strong electric field
(iii) Field emission	[C]By colliding accelerated electrons on metals
(iv) Secondary emission	[D] By heating

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The correct answer is:

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Ans.

(i) [D]

(ii) [A]

(iii) [B]

(iv) [C]

Sol.

(i) By heating

(ii) By irradiating with light

(iii) By applied strong electric field

(iv) By colliding accelerated electrons on metals

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