JEE Main 2014 · 19 Apr · Shift 1 · Physics Q26

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PhysicsList match+4 / -1Question 26 of 90

Match List - I (Experiment performed) with List - II (Phenomena discovered/associated) and select the correct option from the options given below the lists :

List-I

a
Davisson and Germer Experiment
b
Millikan's oil drop experiment
c
Rutherford experiment
d
Franck - Hertz experiment

List-II

i
Wave nature of electrons
ii
Charge of an electron
iii
Quantisation of energy levels
iv
Existence of nucleus

(a) → (i); (b) → (ii); (c) → (iii); (d) → (iv)

(a) → (i); (b) → (ii); (c) → (iv); (d) → (iii)

(a) → (iii); (b) → (iv); (c) → (i); (d) → (ii)

(a) → (iv); (b) → (iii); (c) → (ii); (d) → (i)

Answer and worked solution

Official answer: B

Davisson-Germer: electron diffraction, the wave nature of electrons.
Millikan: the electron charge.
Rutherford: the nucleus.
Franck-Hertz: quantised energy levels.

So (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii).

Topics:Davisson-Germer experiment Rutherford model

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JEE Main 2014 · 19 Apr · Shift 1, Physics question 26