Question

slove it 6.6×10^-34×3×10^8÷3300×10^-10​

Answer 1

Answer:

Stopping potential=(

λ

hc

−ϕ)/e

=(

330

1240

−2)/e(hc=1240eV−nm)

=(3.75−2)/e

=1.75eV/e

=1.75V

Answer 2

Answer:

6.E−39

Explanation:

this is the answer shows in calculator..