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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2017
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Q)

The photoelectric threshold wavelength of silver is 3250×1010m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536×1010m is : <br> (Given h=4.14×1015eVs and c=3×108ms1 )


( A ) 6×105m/s1
( B ) 0.3×106m/s1
( C ) 0.6×105m/s1
( D ) 61×103m/s1
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