Answer the following in the ascending order of wavelength () (A) Microwaves () (B) Ultraviolet rays () (C) Infrared rays () (D) X-rays () Choose the most appropriate answer from the options given below:

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Solution

Q.
Arrange the following in the ascending order of wavelength ( $λ$ )

(A) Microwaves ( $λ_{1}$ ) (B) Ultraviolet rays ( $λ_{2}$ )

(C) Infrared rays ( $λ_{3}$ ) (D) X-rays ( $λ_{4}$ )

Choose the most appropriate answer from the options given below: [2025]

1 $λ_{4} < λ_{3} < λ_{2} < λ_{1}$

2 $λ_{3} < λ_{4} < λ_{2} < λ_{1}$

3 $λ_{4} < λ_{2} < λ_{3} < λ_{1}$

4 $λ_{4} < λ_{3} < λ_{1} < λ_{2}$

Ans.
(3)

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