The correct sequence of descending order of wavelength values of the given radiation source is …………..

(A) radio waves, microwaves, infra-red, γ- rays 

(B) γ-rays, infra-red, radio waves, microwaves 

(C) Infra-red, radio waves, microwaves, γ- rays 

(D) microwaves, γ-rays, infra-red, radio waves

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(A) radio waves, microwaves, infra-red, γ- rays

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