Spectroscopy ( Part 2 ) - TRB Physics Study Materials

SI NO.	QUESTIONS	ANSWERS
26.	The scattering in which no new wavelength is?	NMR Scattering
27.	Pressure inside the tube of He-Ne laser is?	1mm of Hg
28.	Laser is having?	Highly coherent, Monochromatic and Extreme intense
29.	Raman spectrum is used to?	Find the molecular structure , properties of metals and Analyze the chemical constitution
30.	Pure rotational spectrum is used to determining the properties of?	Molecule
31.	Vibration rotational spectra falls between?	Near IR region
32.	Chief detector of IR rays are?	Thermopiles , polo meter and radio micrometers
33.	When light is made to pass through absorbing material and then examined with a spectroscope it is called?	Absorption spctra
34.	It consists of a number of bright bands with a sharp edge at one end but fading out at the other end, it is?	Band spectrum
35.	When light emitted by a source is examined with a spectroscope emission spectrum is obtained this is called?	Emission spectra