Optics QUIZ II
Optics Mastery Quiz
Test your knowledge of optics with our engaging quiz designed for students and enthusiasts alike! Dive into questions covering fiber optics, diffraction, and laser principles.
- Multiple choice questions
- Instant feedback on your answers
- Learn while you challenge yourself
Multimode step index fiber has
Large core diameter & large numerical aperture
Large core diameter and small numerical aperture
Small core diameter and large numerical aperture
Small core diameter & small numerical aperture
Is the different angle of entry of light into an optical fiber when the diameter of the core is many times the wavelength of the light transmitted.
Acceptance angle
Modes
Sensors
Aperture
The loss in signal power as light travels down a fiber is called
Dispersion
Absorption
Scattering
Attenuation
__________________ in the laser occurs when photon colliding with an excited atom causes the stimulated emission of a second photon.
Light amplification
Attenuation
Dispersion
Population inversion
What is the effective distance between the source of light and the screen in Fraunhofer Diffraction?
Focal length of the convex lens
Less than Focal Length of the convex lens
Greater than the focal length of the convex lens and less than infinite
Infinite
How shall the pattern change when white light is used in Fraunhofer Diffraction instead of monochromatic light?
The pattern will no longer be visible
The shape of the pattern will change from hyperbolic to circular
The colored pattern will be observed with a white bright fringe at the center
The bright and dark fringes will change position
A screen is placed 2m away from the lens to obtain the diffraction pattern in the focal plane of the lens in a single slit diffraction experiment. What will be the slit width if the first minimum lies 5 mm on either side of the central maximum when plane light waves of wavelength 4000 Å are incident on the slit?
0.16 mm
0.26 mm
0.36 mm
0.46 mm
If the Fresnel’s distance is a, then what should be the distance of the screen from the slit, d, such that ray optics is no longer valid?
D > a
D < a
D = a
No relation between d and a
By observing the diffraction patter, the two images are said to be just resolved when ________
The central maxima of one image coincide with central maxima of the other
The central maxima of one do not coincide with central maxima of the other
The central maxima of one image coincides with the first minimum of the other
The central maxima of one image do not coincide with the first minimum of other
If the phase difference between two rays is π/2 and the angle of incidence is not equal to π/4, the emergent light is __________
Linearly Polarized
Elliptically Polarized
Circularly Polarized
Non-Polarized
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