JEE Main 2015 · 4 Apr · Shift 1 · Physics Q28 · Dronacharya Exams

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PhysicsList match+4 / -1Question 28 of 90

Match List - I (Fundamental Experiment) with List - II (its conclusion) and select the correct option from the choices given below the list :

List-I

A
Franck-Hertz Experiment.
B
Photo-electric experiment.
C
Davison - Germer Experiment.

List-II

i
Particle nature of light
ii
Discrete energy levels of atom
iii
Wave nature of electron
iv
Structure of atom

A

(A) - (i); (B) - (iv); (C) - (iii)

B

(A) - (ii); (B) - (iv); (C) - (iii)

C

(A) - (ii); (B) - (i); (C) - (iii)

D

(A) - (iv); (B) - (iii); (C) - (ii)

Answer and worked solution

Official answer: C

Franck-Hertz showed discrete energy levels: (A) → (ii).
The photoelectric effect showed the particle nature of light: (B) → (i).
Davisson-Germer showed the wave nature of electrons: (C) → (iii).

Topics:Davisson-Germer experiment Photoelectric effect

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