Match List - I with List

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Question:
Match List - I with List - II.

Choose the correct answer from the options given below :

$(\mathrm{a})-(\mathrm{vi}),(\mathrm{b})-(\mathrm{iv}),(\mathrm{c})-(\mathrm{i}),(\mathrm{d})-(\mathrm{v})$
(a)-(vi), (b)-(v), (c)-(i), (d)-(iv)
(a)-(ii), (b)-(iv), (c)-(vi), (d)-(iii)
(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

Correct Option: , 4

Solution:

(a) Source of microwave frequency is magnetron.

(b) Source of infrared frequency is vibration of atoms and molecules.

(d) Source of X-rays inner shell electron transition.

Option (4) is correct.

Match List - I with List - II.