Advertisements
Advertisements
Question
An electrons emitter must have how much work function and melting point.
One Line Answer
Advertisements
Solution
An electron emitter must have low work function and high melting point.
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
What are free electrons?
How can they be made to leave the metal surface? (State any two ways)
In a cathode ray tube, what is the function of anode?
When is said to be the nucleus unstable?
Name the three elementary particles present in an atom. Locate their positions.
What do you mean by Atomic number
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
Define free electrons.
What do you understand by the term radioactivity?
State one use of radio-isotopes.
