Geometric and Physical Optics
In what unit is wavelength commonly measured?
Watts (W)
Meters (m)
Meters per second squared (m/s²)
Amperes (A)
What unit would you use to express amplitude when dealing with mechanical waves?
Ampers (A)
Hertz (Hz)
Newtons (N)
Meters (m)
How has modern digital signal processing affected analyses done using Fourier transforms on complex waveforms when compared with analog methods?
Caused dependency on hardware capabilities limiting experiments to easily replicable scenarios only.
Imposed restrictions necessitating specialized software hindering interdisciplinary applications across fields.
Diluted fundamental understanding due to reliance on 'black box' algorithms without insight into underlying mathematics.
Greatly increased speed and accuracy in decomposing signals into constituent frequencies.
What difference would be observed if coherent light were used instead of incoherent light for Young's double-slit experiment?
No visible interference pattern forms using either type of light.
Dark fringes become less pronounced while bright fringes remain unchanged with coherent light.
Stable interference pattern with clear bright and dark fringes appears with coherent light.
Brightness of individual slits increases but no interference pattern emerges with coherent light.
When a charged particle moves perpendicular to a magnetic field, what path does the particle follow due to the magnetic force?
Parabolic
Elliptical
Straight line
Circular
When light of a certain frequency is shone on a metal surface and electrons are emitted, this phenomenon best demonstrates which aspect of wave-particle duality?
The diffraction pattern of particles.
The particle nature of light.
The interference pattern of waves.
The wave nature of light.
When referring to sound waves, what does amplitude relate to in terms of perception?
Speed
Loudness
Frequency
Pitch

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If a standing wave has nodes spaced 50 cm apart on a string under tension, what would be the distance between nodes after doubling both the linear density μ of the string and its tension?
25 cm apart (half as before).
100 cm apart (twice as far as before).
70.7 cm apart (square root of twice as far as before).
50 cm apart as before.
In a standing wave pattern on a string, what does n represent in the formula ?
String length
Node distance
Harmonic number (or mode)
Velocity of wave
When experimenting with interference patterns generated by two coherent light sources, which variable would critically examine whether the spacing of fringes is exclusively dependent on wavelength?
Changing light source color (wavelength) only while keeping slit separation and screen distance constant.
Modifying only screen distance from slits with constant wavelength and slit width maintained throughout trials.
Altering slit widths uniformly while holding all other variables like wavelength and screen distance fixed.
Varying only the distance between the slits maintaining identical environmental conditions and observing fringe changes.