Atomic And Molecular Physics Mock Tests

16 questions available

Atomic And Molecular Physics Mock Test 1

Questions: 16

नमूना प्रश्न

GATE Physics

The Compton wavelength of the electron is approximately:

A 2.43 × 10⁻¹² m

B 5.29 × 10⁻¹¹ m

C 1.32 × 10⁻¹⁰ m

D 3.86 × 10⁻¹³ m

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

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 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 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

Population inversion in a laser system is a condition where:

A The number of atoms in an excited state exceeds the number in a lower energy state

B All atoms are in the ground state

C Atoms are equally distributed among all energy levels

D The temperature of the system is absolute zero

GATE Physics

The selection rule for electric dipole transitions in the hydrogen atom for the orbital angular momentum quantum number l is:

A Δl = ±1

B Δl = 0

C Δl = ±2

D Δl = ±1, 0

GATE Physics

The Bohr radius a₀ (the most probable radius of the electron in the hydrogen ground state) is approximately:

A 0.529 Å

B 1.058 Å

C 0.176 Å

D 5.29 Å

Atomic And Molecular Physics Mock Tests

Atomic And Molecular Physics Mock Test 1

नमूना प्रश्न

टिप्पणियाँ