Thursday, 28 November 2013

Stage viva in Microscopy for MDS Students



Wave length of light
Spectrum of electromagnetic energy, light
Wavelength of
Infrared
Ultraviolet
Electron
X rays
Gamma rays
Laser – commonly used ones
       
Define:
Monochromatic
Polychromatic
Color temperature
Emission spectrum
Amplitude
Intensity
Cadescence
Reflection
Refraction
Retardation
Angle of incidence
Angle of refraction
Refractive index
Curvature of lens
Concave lens
Convex lens
Real image
Virtual image
Total internal reflection
Principal focus
Focal length of a lens
Conjugative foci
Chromatic aberration
Achromat
Apochromat
Plan apochromats
Semi-apochromatic
CF optics
Spherical aberrations
Euchromatic
Filters
Neutral density filters
Numerical aperture
Condensers
Iris diaphragm
Glare
Resolution
Centration of condenser
“Swing out top lens” of the condenser
Infinity corrected objectives
Magnifying power
Resolving power
Nose piece
Par-focal
Par-central
Beam splitting prism
Tube lens
Infinity corrected lens
Periplanatic lens
Wide field lens
High focal point lens & their use
Magnification values &  formula for it
Empty magnification
Critical illumination
Kohler illumination
Rheinberg illumination
Back focal plane
Constructive interference
Destructive interference
Phase halo
Optical path difference
Optical weighing
Measuring and reference beam in interference microscopy
Birefringence
Differential interference contrast
Plane of vibration
Dichorism
Pleochoric 
Primary fluorescence or auto fluorescence
Flurochromes
Induced flurosomes
Suppression filters
Reflected light
Transmitted light
Visibility
Contrast
Depth of field
Working distance
What is Refractive index of
Glass
Water
Air
Universal Color code of
Objective
2 X
4X
10X
20X
40X
100X
4.       Diameter of Condenser – fully opened & closed
5.       Function of Vernier markings on the stage
6.       Maximum Numerical Aperture attainable
7.       Number of nose pieces
8.       Huyghens eye piece design
Bertrands lens
Ramsden & Kellner eye piece
Compensating eyepieces
9.       Principle behind
Dark field microscopy
Phase contrast microscopy
Interference microscopy
Fluorescence microscopy
Confocal Microscopy
FRET
Multispectral Imaging
Scanning Electron microscopy
Transmission Electron microscopy
10.    Nicol Prism(Calcite cemented with Canada Balsm after Nicol)
Wollaston prism
11.    Length of the tube
12.    Dimension of (LX B x H)
Slides
Coverslip
13.    Describe
Lint free slides
Coated slides
Frosted slides
Substage condenser lens
Substage iris diaphragm
Daylight glass
Field of view
Field lens                              
14.    Microscope oil  - Why, what, when, how, precaution & trouble shooting
Maintenance
15.    Lens paper, Cleaning agents for microscope,
Fungal growth
16.    Resolution of
Naked eye
Light microscopy
Electron microscopy
Confocal microscopy

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