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Atomic And Molecular Physics Mock Tests

16 questions available

Atomic And Molecular Physics Mock Test 1

Questions: 16

Sample Questions

GATE Physics
In the normal Zeeman effect, a spectral line splits into how many components in a magnetic field?
A Two
B Three
C Four
D Six
GATE Physics
The Pauli exclusion principle states that:
A no two fermions can occupy the same quantum state
B no two particles can have the same energy
C electrons always pair up with opposite spins
D bosons can occupy the same quantum state
GATE Physics
The Zeeman effect refers to:
A splitting of spectral lines in a magnetic field
B splitting of spectral lines in an electric field
C emission of electrons by a metal surface
D scattering of light by free electrons
GATE Physics
The Compton wavelength shift for a photon scattered by a free electron at angle θ is:
A Δλ = (h/mₑc)(1 - cos θ)
B Δλ = (h/mₑc) cos θ
C Δλ = (h/mₑc)(1 + cos θ)
D Δλ = (mₑc/h)(1 - cos θ)
GATE Physics
The Frank-Condon principle in molecular spectroscopy states that:
A electronic transitions occur so rapidly that nuclear positions remain essentially unchanged
B nuclear positions change during electronic transitions
C rotational transitions are more energetic than electronic transitions
D vibrational transitions occur without any electronic transitions
GATE Physics
The angular part of the hydrogen wavefunction Y_l^m(θ,φ) are eigenfunctions of:
A L² and L_z
B H and L²
C H and L_z
D L_x and L_y
GATE Physics
The ground state energy of a helium ion (He⁺) is:
A -54.4 eV
B -13.6 eV
C -27.2 eV
D -108.8 eV
GATE Physics
The Zeeman effect refers to:
A splitting of spectral lines in a magnetic field
B splitting of spectral lines in an electric field
C broadening of spectral lines due to temperature
D shifting of spectral lines due to pressure

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