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Nuclear And Particle Physics Mock Tests

14 questions available

Nuclear And Particle Physics Mock Test 1

Questions: 14

Sample Questions

GATE Physics
The half-life of a radioactive substance is related to its decay constant λ by:
A T_{1/2} = ln(2)/λ
B T_{1/2} = 1/λ
C T_{1/2} = ln(2)·λ
D T_{1/2} = λ/ln(2)
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 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 the standard model of particle physics, which of the following is a lepton:
A electron
B up quark
C gluon
D pion
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
The beta decay process n → p + e⁻ + ν̄ₑ involves which fundamental interaction:
A weak interaction
B electromagnetic interaction
C strong interaction
D gravitational interaction
GATE Physics
The nuclear binding energy per nucleon is maximum for which element:
A Iron-56 (⁵⁶Fe)
B Uranium-235 (²³⁵U)
C Helium-4 (⁴He)
D Carbon-12 (¹²C)
GATE Physics
In the Standard Model, the number of quark flavors is:
A 6
B 4
C 3
D 12

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