Light of wavelength 400nm is incident on a metal plate the stopping potential recorded is 6v.If the wavelength of the light is increased to 600nm,what will be the new stoppijng potential
Answers
Answered by
2
let us assume that , for this question , work function for this metal is zero , so that it can not render our calculations
therefore,
total energy= kinetic Energy
hc÷lambda = eVs
using for the two cases, ur eVs new will be 2÷3 eVs ist,
so new Vs is 4
therefore,
total energy= kinetic Energy
hc÷lambda = eVs
using for the two cases, ur eVs new will be 2÷3 eVs ist,
so new Vs is 4
Answered by
0
Answer: 4.14V
Explanation:
Attachments:
Similar questions