If the frequency of radiation is doubled then the relation between initial K.E. and new K.E. is, (a) (K.E.)₁ = (K.E.)2 (b) (K.E.)₁ < (K.E.)2 (K.E.)₂ = (K.E.)₁ (d) (K.E.)₁ = 2 (K.E.)₂ (c)
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