Advertisements
Advertisements
प्रश्न
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
विकल्प
`("A" - "Z" - 4)/("Z" - 2)`
`("A" - "Z" - 2)/("Z" - 6)`
`("A" - "Z" - 4)/("Z" - 6)`
`("A" - "Z" - 12)/("Z" - 4)`
Advertisements
उत्तर
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of the number of neutrons to that of proton in the final nucleus will be `underline(("A" - "Z" - 2)/("Z" - 6))`.
APPEARS IN
संबंधित प्रश्न
Atomic number of H-like atom with ionization potential 122.4 V for n = 1 is ______.
The nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as ______.
Mp denotes the mass of the proton and Mn denotes mass of a neutron. A given nucleus of binding energy B, contains Z protons and N neutrons. The mass M (N, Z) of the nucleus is given by(where c is the speed of light)
What is isotope? Give an example.
What is isotone? Give an example.
What is isobar? Give an example.
Calculate the energy equivalent of 1 atomic mass unit.
Give the physical meaning of binding energy per nucleon.
Calculate the mass defect and the binding energy per nucleon of the \[\ce{^108_47Ag}\] nucleus. [atomic mass of Ag = 107.905949].
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
