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Ifreaction 7” + p > A° +X is governed by strong interaction, then the particle X is, , @ ,°, , O x®, On, O xX, , Scanned By Scanner Go

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Read the following statements, (1) Inthe process, p+ p > k” +=" , baryon number, isospin and its third component are not conserved, , (II) Inthe process P+” — A° +E" strangeness number and the third component of isospin are not conserved, , (III) The reaction 5° — A° +k" is allowed by weak interaction, (IV) The reaction =~ —» A° + 27 is allowed by weak interaction, Choose the correct option, , © Only I and I are correct, , © Only II and IV are correct, O OnlyI, II and IV are correct, © I, 1, Mand IV are correct, , Scanned By Scanner Go

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The spin and parity J for the nuclei , Zi’ and ,, Na”? in ground state are respectively, , +, , O -_, or ., 2 2, , O - >, = and =, , ©3z _g =z, , @ 3* ., 3 and >, 2 2, , Scanned By Scanner Go

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1gm of radium is reduced by 2.1 mg in 5 years by -decay. The half-life, period of radium is, , © 1056 years, © 1672 years, © 1590 years, , © 2282 years, , Scanned By Scanner Go