Correct Answer:- Option B
QuestionS8:-A linear molecule has
‏303ھ‎
‏مجمدھ‎
‏وق‎
‎5:3-6

Correct Answer: Option-C

normal modes of vibrations

‘Question59:-In the rotational Raman spectrum of 0, , the spacing between two successive spectral lines is

۸:8

Correct Answer: 0604

Question60:-The band transitions represented by (0,0), (0,1), (0.2), (0,3).

५ progression

1" progressions
CV" progressions
5:0۷" progressions

Correct Answer: Option-D

in the electronic spectra of diatomic molecules are called

‘Question61:-If 3 nucleus has mass number A is even and atomic number Z is odd, then that nucleus has a spin

209ھ
‎नि‏

८ 7
D-None of these

Correct Answer: 8

‘Question62:-An NMR signal for a compound 15 found to be 200 Hz downward from TMS peak using a spectrometer operating at 50 MHz. What is its chemical shift in ppm

കെ
8:20 ppm
ടാ
‏ميم‎ ppm

Correct Answer: Option-D

‘Question63:-In Méssbauer spectroscopy, the emitting and absorbing nuclei are bound in crystal lattice in order to reduce

Ac Absorption frequency
B:-Emission frequency
Recoil energy

Di= None of these

Correct Answer: Option-C

Question64::Which of the following is a characteristic of stimulated emission

‘AMultiplication of photons

Belt is controllable from outside

C-Photon produced propagates in the same direction of stimulating photon

D:-All of the above

Correct Answer: Option-D

Question65:-In passive Q-switching of lasers, which of the following is used as the attenuator

‘AcShutter
B:-Semiconductor
ടിന്റെ prism
D=Chopper whee!

Correct Answer: 8