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Q.

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 List - II
A)Infrared wavesi)To treat muscular strain
B)Radio wavesii)For broad casting
C)X –raysiii)To detect fracture of bones
D)Ultra violet raysiv)Absorbed by the ozone layer of the atmosphere

Choose the correct answer from the options given below :

 (A)(B)(C)(D)
1)iiiiiiiv
2)iviiiiii
3)iiiiviii
4)iiiiiiiv


 

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a

2

b

1

c

3

d

4

answer is A.

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Detailed Solution

  1. Infrared rays are used to treat muscular strain because these are heat rays.
  2. Radio waves are used for broadcasting because these waves have very long wavelength ranging from few centimeters to few hundred kilometers.
  3. X-rays are used to detect fracture of bones because they have high penetrating power but they can’t penetrate through denser medium like bones.
  4. Ultraviolet rays are absorbed by ozone of the atmosphere.
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