Advertisements
Advertisements
प्रश्न
What kind of change takes place in a nucleus when a β -particle is emitted?
Advertisements
उत्तर
β particle is represented by -1e° after emitting a β particle atomic
number of element would increase by 1 unit and mass number of element would remain unchanged.
APPEARS IN
संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
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` ?
State two similarities and two dissimilarities between the γ-rays and X-rays.
Define the term radioactivity.
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
