Q. Which of the following metal thermionically emits an electron at a relatively lowest temperature among them
A) Platinum
B) Copper
C) Aluminium
D) Molybdenum
Explanation
(c) Among the given metals, aluminium thermionically emits an electron at a relatively lowest temperature
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.