Question:
A zinc ball of radius R 1 cm charged to a potential 0 5 V
Last updated: 6/26/2023
![A zinc ball of radius R 1 cm charged to a potential 0 5 V](https://media.kunduz.com/media/sug-question-candidate/20211028184519833466-2333541.jpg?h=512)
A zinc ball of radius R 1 cm charged to a potential 0 5 V The ball is illuminated by a monochromatic ultraviolet UV light with a wavelength 290 nm The photoelectric threshold for zinc is 332 nm The potential of ball after a prolonged exposure to the UV is A 0 5 V B 0 V C 0 54 V D 0 79 V