Home
Class 12
PHYSICS
A zinc ball of radius, R=1 cm charged to...

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

`0V`

C

`0.54 V`

D

`0.79 V`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART II PHYSICS|9 Videos

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART I (Chemistry)|2 Videos

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART I (Chemistry)|2 Videos

  • KVPY

    KVPY PREVIOUS YEAR|Exercise All Questions|415 Videos

  • MOCK TEST 1

    KVPY PREVIOUS YEAR|Exercise EXERCISE|23 Videos