1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question A 3.00×10−17 J No worries! We‘ve got your back. Try BYJU‘S free classes today! B 5.8×10−17 J Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses C 3.9×10−17 J No worries! We‘ve got your back. Try BYJU‘S free classes today! D 2×10−15 J No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution The correct option is B 5.8×10−17 J
We know that, v=cλ=3×108 m s−115×10−10 m=2×1017s−1
Applying Einstein's Photoelectric Equation,
K.E.=hv−hvo=h(v−vo)
=6.626×10−34(2×1017−1.12×1017)
=5.8×10−17 J
Similar questions View More
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program