The work function of lungslen is 4.50 ev. Calculate speed of fastest election ejected from tungsten when light whose pholon energy is 5.80 ev. Shines on surface.
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![The work function of lungslen is 4.50 ev. Calculate
speed of fastest electron ejected from tungsten
when light whose pholon energy is 5.80 ev. Shines
on surface.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F77c66f86-38c7-4f6d-9724-fd31222c3c8c%2F5ac4dc1b-c7d6-4c63-aec7-cd3e69e631cd%2Frco68v_processed.jpeg&w=3840&q=75)
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