Question

Sodium has a work function of lev. Calculate the
maximum energy and
speed of the emitted electrons
when sodium is illuminated by a radiation of 150 nm.
What is the threshold frequency of radiation for which
electrons are emitted from sodium surface ?​

Answer 1

Answer:

hi

Explanation:

Answer 2

Explanation:

these 3 Cone

Towards the bottens side of the rectangle, dans

3 this shaped Conses with these tips touching the

bottom line of the rectangle Aho do not allow

shaped gles to tuch each other

not allowed to touch each other.

On either ende of the rectangle ie., b the bottan

of the rectangle dean Cone shaped triangles such

that one side

brunath side of the rectangle