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Nuclear And Particle Physics Mock Tests

14 questions available

Nuclear And Particle Physics Mock Test 1

Questions: 14

नमूना प्रश्न

GATE Physics
In the semi-empirical mass formula (liquid drop model), which term favors asymmetric neutron-proton ratios (N ≠ Z)?
A Volume term
B Surface term
C Asymmetry term
D Pairing term
GATE Physics
The alpha decay of Uranium-238 (²³⁸U) produces:
A Thorium-234 (²³⁴Th) and a helium nucleus
B Radon-222 (²²²Rn) and a helium nucleus
C Lead-206 (²⁰⁶Pb) and a helium nucleus
D Uranium-235 (²³⁵U) and a helium nucleus
GATE Physics
The nuclear force between two nucleons is:
A stronger than the electromagnetic force at short distances (~1 fm)
B weaker than the electromagnetic force at all distances
C identical to the gravitational force
D a purely Coulombic force
GATE Physics
The binding energy per nucleon is maximum for:
A Iron (Fe-56)
B Uranium (U-238)
C Hydrogen (H-1)
D Helium (He-4)
GATE Physics
In beta-minus decay, the emitted electron spectrum has a continuous energy distribution because:
A The decay energy is shared among the electron, antineutrino, and recoiling nucleus
B The electron is always emitted with the same energy
C Energy is not conserved in beta decay
D The nucleus absorbs all the energy
GATE Physics
In the Standard Model, the number of quark flavors is:
A 6
B 4
C 3
D 12
GATE Physics
The mass number A, proton number Z, and neutron number N of a nucleus are related by:
A A = Z + N
B A = Z - N
C A = Z × N
D A = Z/N
GATE Physics
In the standard model of particle physics, which of the following is a lepton:
A electron
B up quark
C gluon
D pion

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