Category: Biomedical Engineering

Latest multiple choice questions with answers for biomedical engineering students.

Biomedical Engineering MCQs [Quiz 38]

Q1. The energy must be reflected and returned through a single 30° prism, so that it passes through the prism in both directions is called __________
a) Cornu mounting
b) Mono mounting
c) Littrow mounting
d) Trio mounting

Q2. Most modern instruments now use a _______ as a dispersing element in the monochromator.
a) Prism monochromators
b) Holographic gratings
c) Diffraction gratings
d) Replica gratings

Q3. A typical reflection grating may have 1200 grooves/mm, which means the grooves are spaced at about _______ intervals.
a) 800 nm
b) 600 nm
c) 860 nm
d) 680 nm

Q4. What is reproduced from a master holographic grating by moulding its grooves onto a resin surface or silica substrate?
a) Diffraction grating
b) Replica grating
c) Silicate glasses
d) Fused silica

Q5. What is the utilization wavelength limit for quartz?
a) 300 nm
b) 350 nm
c) 180 nm
d) 210 nm

Q6. Which material is used to reduce the reflections from glass surfaces?
a) Manganese Flouride
b) Magnesium oxide
c) Magnesium Flouride
d) Manganese oxide

Q7. With the use of _______ chromatic aberrations and other imperfections of the lenses are minimized.
a) Lenses
b) Mirrors
c) Slits
d) Diaphragm

Q8. _______ are often used for splitting the beam.
a) Multilayer coated lenses
b) Silvered films
c) Silicate glasses
d) Half-silvered mirrors

Q9. The sample holder is generally inserted somewhere in the interval between the ______and _______
a) Silvered film and multi-layered coating
b) The light source and the detector
c) The light source and silvered film
d) Silvered film and the detector

Q10. In sample holders, for such applications, a 50 cm path-length with about a ________ volume cell is employed.
a) 0.3 ml
b) 3 liters
c) 0.3 liters
d) 3 ml

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