Advertisements
Advertisements
प्रश्न
Under which conditions does the nucleus of an atom tend to radioactive?
Advertisements
उत्तर
The nucleus of an atom tends to be radioactive when the number of neutrons in the nucleus exceeds the number of protons inside it.
APPEARS IN
संबंधित प्रश्न
Why do Free electrons not leave the metal surface on their own
What are isobars?
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?
Define free electrons.
In a cathode ray tube state the purpose of the fluorescent screen.
How is a cathode ray tube used to convert an electrical signal into a visual signal?
What are ‘Becquerel rays’?
Two radioactive nuclei are represented by xAp and yAq and when p and q are mass numbers and x, y are the atomic number. How can the products be represented, i .e., what are the new values of p, q. x and y after the emission of an α-particle and a β-particle from A and B respectively.
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
