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  3. 3 a and b are two metals with threshold frequencie

3 A and B are two metals with threshold frequencies 1 8 x 10 4...

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3 A and B are two metals with threshold frequencies 1 8 x 10 4 Hz and 2 2 x 1014 Hz Two identical photons of energy 0 825 eV each are incident on them Then photoelectrons are emitted by Taking h 6 6 x 10 34 J s begge as low as 3 2012 a Balone c Neither A nor B b A alone d Both A and B

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