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JEE Main Physics Class 12 Electromagnetic Waves Part 1 Questions
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© examsnet.com
Question : 14
Total: 100
Match List - I with List - II :
List I
List II
(a)UV rays
(i)Diagnostic tool in medicine
(b)X-rays
(ii) Water purification
(c)Microwave
(iii) Communication, Radar
(d)Infrared wave
(iv) Improving visibility in foggy days
Choose the correct answer from the options given below :
[29-Jul-2022-Shift-1]
(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
Validate
Solution:
(a) uv rays - used for water purification
(b) x-rays used for diagnosing fracture
(c) Microwaves are used for mobile and radar communication
(d) Infrared waves show less scattering therefore used in foggy days
(
a
−
i
i
)
,
(
b
−
i
)
,
(
c
−
i
i
i
)
,
(
d
−
i
v
)
© examsnet.com
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