MCQ on Optical Instruments & Devices

Rajasthan Polytechnic Third Year Paper 2016 – Optical Instruments & Devices

The fastest media of data transfer is
(a) co-axial cable
(b) untwisted wire
(c) telephone lines
(d) fiber optic

Snall’s law relates light
(a) Reflection
(b) Refraction
(c) Transmission
(d) Absorption

Visible light’s wavelength range is
(a) 0.39 – 0.77 mm
(b) 0.39 – 0.77 micro m
(c) 0.39 – 0.77 nm
(d) 0.39 – 0.77 cm

The transmission medium is optical fiber is
(a) Radio waves
(b) Electrical signals
(c) Light
(d) Sound wave

The wavelength of light has no effect on
(a) Diffraction
(b) Interference
(c) Polarization
(d) Reflection

The highest level dispersion in
(a) Step-Index multimode
(b) Graded index multimode
(c) Step Index single mode
(d) Graded index mode

Laser light is
(a) coherent
(b) stimulated
(c) spontaneous
(d) Coherent & stimulated

The inner portion of the fiber cable is
(a) cladding
(b) coating
(c) inner conductor
(d) core

The operation of the fiber optic cable is based on
(a) Refraction
(b) Reflection
(c) Dispersion
(d) Absorption

A fiber optic cable core is made of
(a) Air
(b) Glass
(c) Diamond
(d) Quartz