The radius of nulei \"R\' is given by (a) R A^2/3 (c) R A^2/3 (b) R A^3 (d) None

Question

The radius of nulei "R' is given by (a) R A^2/3 (c) R A^2/3 (b) R A^3 (d) None 30. The binding energy (Ea) of a nucleus is the energy that must be added to (a) Separate the nucleons (c) Depends (b) Collect the nucleons (d) None 31. 'Electron capture' ia (a) a decay (c) 7 decay (b) beta decay (d) None 32. The half-life (T) is the time for the number of radioactive nuclei to decrease to (a) 1/2 (c) 1/3 (b) 3/2 (d) Depends 33. Nuclear energy produced in Sun is due to (a) Fission (c) Fusion (b) Both (d) None 34. The particle that mediates the nuclear force is (a) Positron (c) Meson (b) Neutrino (d) Proton 35. Hadrens are composed of (a) Quarks (c) Both (b) Leptons (d) None

Explanation / Answer

( 29 )

Expression for radius of nuclues

R = R0 A^(1/3)

Thus,the correct option is ( a )

( 30 )

Binding energy is the energy that must be added to a nucleus to break it apart into its components

Thus,the correct option is ( a )

( 31)

In the case of electron capture, an electron in an atom's inner shell is drawn into the nucleus where it combines with a proton, forming a neutron and a neutrino. It is called as inverse beta decay.

Thus,the correct option is ( c ) or ( d )

( 32 )

Half life is a period that radioactive subsstance become half to the initial substance

Thus,the correct option is ( a )

( 33 )

Nuclear energy produced by sun is a process of fusion

Thus,the correct option is ( c )

( 34 )the particle that mediates nuclear force is nuetrinos

Thus,the correct option is ( b )

( 35 )

Hardrons are made up of quarks

Correct option is ( a )

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