English

Two Nuclei Have Mass Numbers in the Ratio 1: 2. What is the Ratio of Their Nuclear Densities? - Physics

Advertisements
Advertisements

Question

Two nuclei have mass numbers in the ratio 1: 2. What is the ratio of their nuclear densities?

Solution

Nuclear density is independent of mass number. Hence, both the atoms have the same nuclear density.

shaalaa.com
  Is there an error in this question or solution?
2008-2009 (March) Delhi set 1

RELATED QUESTIONS

The three stable isotopes of neon: `""_10^20"Ne"`, `""_10^21"Ne"` and `""_10^22"Ne"` have respective abundances of 90.51%, 0.27% and 9.22%. The atomic masses of the three isotopes are 19.99 u, 20.99 u and 21.99 u, respectively. Obtain the average atomic mass of neon.


Find the Q-value and the kinetic energy of the emitted α-particle in the α-decay of `""_88^226 "Ra"`.

Given `"m"(""_88^226"Ra")` = 226.02540 u, `"m"(""_86^222 "Rn")` = 222.01750 u, 

`"m"(""_86^220 "Rn")`= 220.01137 u, `"m"(""_84^216 "Po")`= 216.00189 u.


The nucleus `""_10^23"Ne"` decays by `beta^(-)`emission. Write down the β decay equation and determine the maximum kinetic energy of the electrons emitted. Given that:

`"m"(""_10^23 "Ne")` = 22.994466 u

`"m"(""_11^23 "Na")` = 22.989770 u.


Name a material which is used in making control rods in a nuclear reactor.


Show that the density of nucleus over a wide range of nuclei is constant-independent of mass number A.


Atomic mass unit (u) is defined as ________ of the mass of the carbon (12C) atom.


The nuclei of isotopes of a given element contain the same number of ______.


Are the nucleons fundamental particles, or do they consist of still smaller parts? One way to find out is to probe a nucleon just as Rutherford probed an atom. What should be the kinetic energy of an electron for it to be able to probe a nucleon? Assume the diameter of a nucleon to be approximately 10–15 m.


James Chadwick, in 1932 studied the emission of neutral radiations when Beryllium nuclei were bombarded with alpha particles. He concluded that emitted radiations were neutrons and not photons. Explain.


What conclusion is drawn from Rutherford’s scattering experiment of α-particles?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×