Advertisements
Advertisements
Question
How is a zinc sulphide screen affected when a cathode ray beam strikes it?
Advertisements
Solution
When a cathode ray beam strikes a zinc sulphide screen, a bright spot is seen on the screen.
RELATED QUESTIONS
State the energy conversion taking place in a cathode ray tube
Give one example of isobars.
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
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.
How is a cathode ray beam affected while passing through an electric field?
Name the three main parts of a Cathode Ray Tube.
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
State one use of radio-isotopes.
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
