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JEEMAIN and NEET
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NEET PAST PAPERS
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1999
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Q)
A light of amplitude A and wavelength ? is incident on a metallic surface, then saturation current flows is proportional to (assume cut off wave length =
λ
0
) -
( A )
A
,
i
f
λ
>
λ
0
( B )
A
2
,
i
f
λ
<
λ
0
<br/> ( C )
A
,
i
f
λ
<
λ
0
<br/> ( D )
A
2
,
i
f
λ
>
λ
0
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