The kinetic energy of free electrons in a metal is (where k is de-Broglie wave number of the electrons)

The kinetic energy of free electrons in a metal is (where k is de-Brog

1.	The kinetic energy of free electrons in a metal is (where k is de-Broglie wave number of the electrons)
A.	‚àù
B.	‚àù
C.	Œºk
D.	Œºk2
Answer» C. Œºk