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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2008
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Q)

The work function of a surface of a photosensitive material is 6.2 eV. The wavelength of the incident radiation for which the stopping potential is 5 V lies in the :


( A ) X-ray region
( B ) Visible region
( C ) Ultraviolet region
( D ) Infrared region

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