The following table gives the values of ...

The following table gives the values of work function far a few photosensitive metals.
`{:("S.No.","Metal","Work function (eV)"),(1.,Na,1.92),(2.,K,2.15),(3.,MO,4.17):}`
If each of these metals is exposed to radiation of wavelength 300 nm , which of them will not emit photoelectrons and why ?

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The following table gives the values of work function far a few photosensitive metals. `{:("S.No.","Metal","Work function (eV)"),(1.,Na,1.92),(2.,K,2.15),(3.,MO,4.17):}` If each of these metals is exposed to radiation of wavelength 300 nm , which of them will not emit photoelectrons and why ?

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The following table gives the values of work function far a few photosensitive metals.
`{:("S.No.","Metal","Work function (eV)"),(1.,Na,1.92),(2.,K,2.15),(3.,MO,4.17):}`
If each of these metals is exposed to radiation of wavelength 300 nm , which of them will not emit photoelectrons and why ?