The frequencies of X-rays, γ−rays and ultra violet rays are respectively p,q and r, then
A
p>q,q>r
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B
p<q,q>r
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C
p<q,q<r
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D
p>q,q<r
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Solution
The correct option is Cp<q,q>r Increasing order of wavelengths as given below γ−rays<X−rays> ultravoilet rays Frequency order γ−ray>X−rays> ultravoilet rays ⇒q>p>r Thus, q>p q>r p>r.