13 Official GATE PH Questions with Verified Solutions & Answer Keys
The following gives a list of pairs containing (i) a nucleus (ii) one of its properties. Find the pair which is INAPPROPRIATE. (A) (i) roNe2° nucleus; (ii) stable nucleus (B) (i) A...
The mass difference between the pair of mirror nuclei „C" and sB" is given to be AMeV/c? nuclei ang to the semi-empirical mass formula, the mass difference between the pair of mirr...
Pick the WRONG statement. (A) The nuclear force is independent of electric charge (B) The Yukawa potential is proportional to r' exp "), where r is the separation between two nucle...
Consider a nucleus with N neutrons and Z protons. If mp, m, and BE represent the mass of the proton, in free space, the mass of the nucleus is given by the mass of the neutron and ...
Cesium has a nuclear spin of 7/2. The hyperfine spectrum of the D lines of the cesium atom will consist of (A) 10 lines (B) 4 lines (C) 6 lines (D) 14 lines 8/16 2009 PH...
Deuteron has only one bound state with spin parity 1+, isospin 0 and electric quadrupole moment 0.286 efm2. These data suggest that the nuclear forces are having (A) only spin and ...
Which of the following statements is NOT correct? (A) A deuteron can be disintegrated by irradiating it with gamma rays of energy 4 MeV. (B) A deuteron has no excited states. (C) A...
The nuclear spin and parity of 40 20Ca in its ground state is (a) 0+ (b) 0− (c) 1+ (d) 1− GATE 2019...
Consider the atomic system as shown in the figure, where the Einstein A coefficients for spontaneous emission for the levels are A2>1 = 2 × 107 5-1 and A1>o = 10* s-1. If 1014 atom...
Consider an atomic gas with number density n = 1020 m-3, in the ground state at 300 K. The valence electronic configuration of atoms is f". The paramagnetic susceptibility of the g...
The deuteron is a bound state of a neutron and a proton. Which of the following statements is(are) CORRECT?...
A slow moving 𝜋- particle is captured by a deuteron (d) and this reaction produces two neutrons (n) in the final state, i.e., 𝜋- + d → n + n. Neutron and deuteron have even intri...
Binding energy and rest mass energy of a two-nucleon bound state are denoted by B and mc2, respectively, where c is the speed of light . The minimum energy of a photon required to ...