Advertisements
Advertisements
प्रश्न
State three safety precautions that you would take while handling the radioactive substances.
Advertisements
उत्तर
(i) The people working with radioactive materials should use mechanical devices such as tongs, clamps, tweezers, etc., to help minimize exposure.
(ii) The people working with radioactive materials should wear special lead lined lab coasts, gloves and safety glasses and remove them when leaving the work area or laboratory.
(iii) All radioactive materials should be stored in specially designed thick lead containers with a very narrow opening so as to stop radiations coming out from other directions.
संबंधित प्रश्न
What is thermionic emission?
What are isobars?
Draw a diagram of a simple atom showing the nucleus and electrons. In this atom:
(a) What type of charge will there be on the nucleus?
(b) What is the value of this charge?
What is nucleus of an atom? Compare its size with that of the atom. Name its constitutents. How is the number of these constituents determined by the atomic number its atomic model.
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
An electrons emitter must have how much work function and melting point.
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.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
