Question29:-Wavelength corresponding to maximum energy is inversely proportional to temperature. The law ‏ىا‎
‎A:-Wein displacement law
B:-Stefan's law
C:-Boltzmann law
D:-Rayleigh Jean's law
Correct Answer:- Option-A
Question30:-NQR is observed in the region

D:-Radiofrequency
Correct Answer:- Option-D

Question31:-The ground term symbol of Lithinum atom
A 3

0: 1
Correct Answer:- Option-B
Question32:-Optical rotation and circular dichroism together are known as
A:-Cotton effect
B:-ORD
C:-Frank Condon principle
D:-Stark effect
Correct Answer:- Option-A
Question33:-The intensity of rotational spectral line depends on
A:-Relative population of rotational levels
B:-Degeneracy of rotational level
C:-Both 1 and 2
D:-None of these
Correct Answer:- Option-C
Question34:-Symmetric top molecules have
A:-Two moments of inertia equal and third different
B:-All the three moments of inertia equal
C:-All the three moments of inertia different
D:-None of these
Correct Answer:- Option-A
Question35:-The vibrating stretching frequency of a diatomic molecule depends on
A:-Force constant
B:-Masses of two atoms
C:-Both 1 8೧6 2
D:-None of these
Correct Answer:- Option-C
Question36:-ldentify the spectra corresponds to the frequency 15000 *ண”-1*
கரிக்க
8:8
C:-NMR
D:-Microwave
Correct Answer:- Option-A
Question37:-Raman lines on the low frequency side of the excitation frequency are called
A:-Stokes lines
B:-Antistokes lines
C:-Rayleigh line
D:-None of these
Correct Answer:- Option-A
Question38:-The shift of an absorption maximum towards longer wavelength is known as
A:-Hypsochromic effect
B:-Bathochromic effect
C:-Hyperchromic effect
D:-Hypochromic effect