JEE Main 2014 · 6 Apr · Shift 1 · Physics Q29

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PhysicsList match+4 / -1Question 29 of 90

Match List - I (Electromagnetic wave type) with List - II (Its association/application) and select the correct option from the choices given below the lists :

List-I

a
Infrared waves
b
Radio waves
c
X - rays
d
Ultraviolet rays

List-II

i
To treat muscular strain
ii
For broadcasting
iii
To detect fracture of bones
iv
Absorbed by the ozone layer of the atmosphere

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

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

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

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

Answer and worked solution

Official answer: D

Infrared: heating therapy for muscular strain → (i).
Radio waves: broadcasting → (ii).
X-rays: detecting bone fractures → (iii).
Ultraviolet: absorbed by the ozone layer → (iv).

So a-i, b-ii, c-iii, d-iv, which is option (4).

Topics:Electromagnetic spectrum

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JEE Main 2014 · 6 Apr · Shift 1, Physics question 29