MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Binding Energy

Ultraviolet r...

Question

Ultraviolet radiation of 6.2 eV falls on an aluminium surface (work function 4.2 eV).The K.E. in joules of fastest electron is approx:

A

4.2 x 10^-17 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

3 x 10^-19 J

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

1.4 x 10^-18 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

2.65 x 10^-16 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
3 x 10^-19 J

Suggest Corrections

thumbs-up

9

Similar questions

Q. Ultraviolet radiations of 6.2 eV falls on an aluminium surface (work function 4.2 eV). The kinetic energy in joules of the fastest electron emitted is approximately

Q. Ultraviolet light of 6.2eV falls on aluminium surface (work function = 4.2eV). The kinetic energy in joules of the fastest electron emitted is approximately:

Q. Ultraviolet radiation of 6.2eV falls on an aluminium surface (work function 4.2eV). The kinetic energy in joule of the faster electron emitted is approximately

Q. Ultraviolet radiation of 6.2 eV falls on an aluminium foil surface. Work function is 4.2 eV. The K.E. of the fastest electron emitted approximately :

Q. Ultraviolet radiation of 6.2 eV falls on an aluminium surface (work function 4.2 eV). The kinetic energy (in joule) of the fastest electron emitted is :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Binding Energy

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon