Kindly answer the 18th question - Physics - Electric Charges And Fields

Question

Kindly answer the 18th question

Debalina Deb · Accepted Answer

Dear Student
Refer fig
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/ck-files/ck_58bc43b569d4e%20png"
style="width: 462px; height: 386px;">
From graph
The slope = Planck's constant
y-intercept refers the work function
x-intercept refers the threshold frequency

Regards

Kindly answer the 18th question.