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प्रश्न
State three safety precautions that you would take while handling the radioactive substances.
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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
State three factors on which the rate of emission of electrons from a metal surface depends
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Name a gas caused by the Greenhouse effect
A nucleus `""_11^24Na` emits a beta particle to change into Magnesium (Mg)
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name of `""_12^24Mg `with respect to `""_11^24Na` ?
An electromagnetic radiation is used for photography in fog. [2]
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
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(a) Medical field,
(b) Agriculture,
(c) Industries?
What are the types of emission?
What is meant by Radioactivity?
