Advertisements
Advertisements
Question
State the penetrating range of α, β and γ radiations.
Solution
The penetrating power of α particle is least. Penetrating power of β
particles is less but 100 times more than that of a particle. γ radiations have
maximum penetration power. They are 100 times more penetrating than β
particles.
APPEARS IN
RELATED QUESTIONS
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
Under which conditions does the nucleus of an atom tend to radioactive?
Name a gas caused by the Greenhouse effect
Name the unit in which the work function of a metal is expressed.
Define the term radioactivity. Of the three normally occurring radioactive radiations:
(a) Which has a positive charge?
(b) Which is most penetrating?
(c) Which has no electric charge?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
State one use of radio-isotopes.
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4