Test: Nuclear & Particle Physics - 2 - Physics MCQ

Hie magnetic dipole moment and electric qiiadrupole moment for around state of ₂₉Cu⁶³ in μN ( Nuclear masneton units) and bam respectively are

What are the expected types of gamma ray transition between tlie following states of odd A nuclei
(1) g₉/₂ → p_1/2
(2) h₁₁/₂ → d_3/2 

Read the following statements:
(I) If a particle X has Isospin I = 3/2, Baryon no. B = 1 and Strangeness no. S = 0 . then the possible values of electric charges for X are +2, -1, 0 and -1.
(II) If the reaction  is governed by strong interaction then the third component of Isos- pin. Baryon number and Strangeness number ofXare respectively 
(III) The quark content of  uus and uss respectively.
Choose the correct option from the following ?

A thermal neutron having speed v impinges on a ²³⁵⋃ nucleus. The reaction cross-section is proportional to  

The reaction ₃₈Sr⁸⁹ → ₃₉Y⁸⁹ + β^- +  undergoes a first forbidden β - decay by

Match tlie following reactions on the left with the associated interactions on file right.

If the reactions  and  are governed by weak interactions, then the particle Z in the reaction Y→ Z + X is

If the first excited rotational state of a nucleus has energy equal to 93.3 KeV then the energy ofthe third excited rotational state is approximately equal to______________KeV. (an integer)

For the reaction P + ₁H³ → ₁H² + ₁H² , if T₁ is threshold kinetic energy of₁ H³ when P is target and T₂ is threshold kinetic energy of P when ₁H³ is target, then the value of T₁- T₂ is equal to    MeV. (upto two decimal places)

A reactor is developing energy at a rate of 3000 kWatt. If on an average, energy of 200 MeV is released per
fission, then tlie weight of U²³⁵ used in 1000 hours of operation is___________gm

In a reaction ₁₃AI²⁵ → 12Mg²⁵ + e⁺ + v_e , the atomic masses are given as
m_A1 = 19.003576u , m_Mg = 24 .985839u.
The maximum kinetic energy of the neutrino emitted is___________MeV. (upto two decimal places)

If ₈₆Rn²²² nucleus decays at rest by the reaction ₈₆Rn²²² → ₈₄Po²¹⁸ + ₂He⁴  then the kinetic energy of the ₈₄Po²¹⁸ nucleus is ________________ MeV. (Upto two decimal places)

If the reaction  is governed by strong interaction, then the particle X is

Consider the following statements:
P. In reaction , Baryon number, Isospin and third component of Isospin are notcon served.
Q. The reaction  proceed via strong interaction.
R. In reaction , Strangeness number and third component of Isospin are not conserved.
S. The reaction  proceed via electromagnetic interaction.
Choose the correct option from the following ?

The half life of radon is 3.82 days. If the sample contains initially 2.71 x 10¹⁵ atoms, the number of atoms that will disintegrate during die first day are___________x 10¹⁴ (upto first decimal places)

Deutxon in a cyclotron describe a circle of radius 0.32 m just before emerging out of the cyclotron. The frequency of cyclotron is 10 MHz. Mass ofdeutron is 3.32 x 10^-27 kg and charge is 1.6 x 10^-19 coulomb. The velocity of die deuterons emerging out of the cyclotron is____________10⁷ m/s. (an integer)

According to shell model, the ground state and first excited state spin-parity J^P and ₇N¹⁵ are respectively.