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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2005
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Q)

The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5eV. According to Einstein's equation, the metals which will emit photo electrons for a radiation of wavelength $4100 A^{\circ}$ is/are-


( A ) All the three metals
( B ) None
( C ) A and B only
( D ) A only

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