waves mcqs with answers

Past Waves MCQs in Physics for Pak Army with Answers

Waves in Physics MCQs for Pak Army with answers serve as a valuable tool for candidates aiming to excel in the physics section of the Pak Army (Technical  Cadet Course, Army Education Officers, Army EME Officers) entrance examinations, providing them with a structured and comprehensive practice resource.

Importance Waves MCQs of Physics (Part-1)

See here important questions of Waves mcqs for initial tests tests;

  • _________ waves require a medium to propagate. (Mechanical)
  • _________ waves can propagate through a vacuum. (Electromagnetic)
  • The _________ of a wave is the maximum displacement from its equilibrium position. (Amplitude)
  • The _________ of a wave is the distance between two consecutive points in a wave that are in phase. (Wavelength)
  • The _________ of a wave is the number of wave cycles passing a given point per unit of time. (Frequency)
  • The _________ of a wave is the time it takes for one complete wave cycle to pass a given point. (Period)
  • The _________ of a wave is the rate at which it propagates through a medium. (Speed)
  • The _________ principle states that when two or more waves meet at a point, the displacement of the resulting wave at that point is the algebraic sum of the individual wave displacements. (Superposition)
  • _________ interference occurs when two waves combine to create a resultant wave with greater amplitude. (Constructive)
  • _________ interference occurs when two waves combine to create a resultant wave with reduced or zero amplitude. (Destructive)
  • _________ is the bending of a wave as it enters a different medium due to a change in its speed. (Refraction)
  • _________ is the bouncing back of a wave when it encounters a boundary between two different media. (Reflection)
  • The _________ effect describes the change in frequency or wavelength of a wave as observed by an observer moving relative to the source of the wave. (Doppler)
  • _________ waves result from the interference of two waves traveling in opposite directions, creating stationary points (nodes) and points of maximum amplitude (antinodes). (Standing)
  • _________ optics is the study of light as a wave, including phenomena like interference, diffraction, and polarization. (Wave)
  • The __________ of a wave is the maximum displacement from its equilibrium position. ( Amplitude)
  • The __________ of a wave is the distance between two consecutive points in a wave that are in phase. (Wavelength)
  • The __________ of a wave is the number of wave cycles passing a given point per unit of time. (Frequency)
  • The __________ of a wave is the time it takes for one complete wave cycle to pass a given point. (Period)
  • The __________ of a wave is the rate at which it propagates through a medium. (Speed)
  • The __________ principle states that when two or more waves meet at a point, the displacement of the resulting wave at that point is the algebraic sum of the individual wave displacements. (Superposition)

Importance Waves MCQs of Physics (Part-2)

See here more important questions of Waves mcqs for initial tests tests;

  • __________ interference occurs when two waves combine to create a resultant wave with greater amplitude. (Constructive)
  • __________ interference occurs when two waves combine to create a resultant wave with reduced or zero amplitude. (Destructive)
  • __________ is the bending of a wave as it enters a different medium due to a change in its speed. (Refraction)
  • __________ is the bouncing back of a wave when it encounters a boundary between two different media. (Reflection)
  • The __________ effect describes the change in frequency or wavelength of a wave as observed by an observer moving relative to the source of the wave. (Doppler)
  • __________ waves result from the interference of two waves traveling in opposite directions, creating stationary points (nodes) and points of maximum amplitude (antinodes). (Standing)
  • __________ optics is the study of light as a wave, including phenomena like interference, diffraction, and polarization. (Wave)
  • The __________ of a wave is the position of a point in a wave cycle relative to a reference point. (Phase)
  • The __________ equation describes the relationship between a wave’s properties, such as its speed, frequency, and wavelength. (Wave)

See here more important questions of Waves mcqs for initial tests tests;

Waves MCQs in Physics for Pak Air Force with Answers

Candidates preparing for the Pak Air Force (PAF GD Pilot, PAF Aeronautical Engineering, PAF Engineering Branch Officers) entrance examinations can utilize the Waves in Physics MCQs with answers to assess their knowledge and proficiency in wave-related topics.

Importance Waves MCQs of Physics (Part-3)

See here more important questions of Waves mcqs for initial tests tests;

  • The __________ equation describes the relationship between a wave’s properties, such as its speed, frequency, and wavelength.  (Wave)
  • The wave equation is often represented as _________ = frequency × wavelength. (Speed)
  • The speed of a wave can be calculated by dividing the _________ of the wave by its wavelength. (Frequency)
  • A __________ wave can be represented by a sinusoidal function, such as a sine or cosine wave. (Sinusoidal)
  • The __________ of a wave is the number of complete cycles it undergoes in one second. (Frequency)
  • The __________ of a wave is the time it takes for one complete cycle to pass a given point. (Period)
  • The __________ of a wave describes the maximum displacement from its equilibrium position. (Amplitude)
  • A wave with a shorter wavelength has a __________ frequency. (Higher)
  • A wave with a longer wavelength has a __________ frequency. (Lower)
  • The __________ of a wave is the distance between two consecutive points that are in phase. (Wavelength)
  • The __________ of a wave can be calculated by dividing the speed of the wave by its frequency. (Wavelength)
  • The __________ of a wave can be calculated by dividing the speed of the wave by its wavelength. (Frequency)
  • The __________ of a wave can be determined by measuring the time it takes for one complete cycle to pass a given point. (Period)
  • The __________ principle states that when two waves meet at a point, the displacement of the resulting wave is the algebraic sum of the individual wave displacements. (Superposition)
  • A __________ waveform consists of a single frequency and has a well-defined wavelength and period. (Monochromatic)
  • The __________ principle states that when two or more waves meet at a point, the displacement of the resulting wave at that point is the algebraic sum of the individual wave displacements. (Superposition)
  • __________ interference occurs when two waves combine to create a resultant wave with greater amplitude. ( Constructive)
  • __________ interference occurs when two waves combine to create a resultant wave with reduced or zero amplitude. (Destructive)

Importance Waves MCQs of Physics (Part-4)

See here more important questions of Waves mcqs for initial tests tests;

  • The __________ of two waves is determined by the phase difference between them. (Interference.)
  • In __________ interference, the crests of one wave align with the crests of the other wave, resulting in reinforcement. (Constructive)
  • In __________ interference, the crests of one wave align with the troughs of the other wave, resulting in cancellation. (Destructive)
  • The phenomenon of __________ occurs when two or more coherent sources emit waves that interfere constructively and destructively, producing a pattern of bright and dark regions. (Interference)
  • The __________ between two interfering waves determines the resulting interference pattern. (Phase difference)
  • The __________ of an interference pattern depends on the wavelength of the waves used and the distance between the sources. (Spacing)
  • The condition for __________ interference is that the path difference between the waves must be an integral multiple of the wavelength. (Constructive)
  • The condition for __________ interference is that the path difference between the waves must be a half-integral multiple of the wavelength. (Destructive)
  • In __________ interference, the resulting wave has regions of constructive and destructive interference, creating a pattern of alternating bright and dark fringes. (Young’s double-slit)
  • In __________ interference, a thin film of varying thickness causes constructive and destructive interference of light waves, resulting in colorful patterns. (Thin film)
  • The phenomenon of __________ occurs when sound waves interfere and create regions of constructive and destructive interference, leading to areas of increased and decreased sound intensity. (Sound interference)
  • __________ interference is used in many practical applications, such as in noise-canceling headphones and in the study of wave behavior. (Wave interference)

See here more important questions of Waves mcqs for initial tests tests;

Waves MCQs in Physics for Pak Navy with Answers

The Waves in Physics MCQs for Pak Navy with answers cover various topics related to wave phenomena, including wave properties, wave types, and wave interactions.

Candidates preparing for the PN Cadets, Navy Operation Branch, Navy Education Branch Officers, Navy Ordnance Branch) entrance examinations can utilize the Waves in Physics MCQs

Importance Waves MCQs of Physics (Part-5)

See here more important questions of Waves mcqs for initial tests tests;

  • __________ is the bouncing back of a wave when it encounters a boundary between two different media. (Reflection)
  • The angle of incidence is always equal to the angle of __________ in the case of wave reflection. (Reflection)
  • The normal is an imaginary line perpendicular to the __________ of incidence. (Surface)
  • The __________ of a wave changes when it crosses the boundary between two different media during refraction. (Direction)
  • The __________ of a wave changes when it crosses the boundary between two different media during refraction. (Speed)
  • The __________ law of refraction states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for a given pair of media. (Snell’s)
  • The __________ of a wave is determined by the speed of the wave and the frequency of the wave. ( Wavelength)
  • In refraction, if a wave enters a medium where its speed decreases, the wave will bend __________ the normal. (Toward)
  • In refraction, if a wave enters a medium where its speed increases, the wave will bend __________ from the normal. (Away)
  • The __________ index of a medium is a measure of how much the speed of light or a wave is reduced in that medium compared to its speed in a vacuum. (Refractive)
  • The __________ of a wave determines how much it is bent when it enters a different medium. (Angle)

Importance Waves MCQs of Physics (Part-6)

See here more important questions of Waves mcqs for initial tests tests;

  • The phenomenon of __________ refraction occurs when light waves pass from a denser medium to a less dense medium and bend away from the normal. (Negative)
  • The phenomenon of __________ refraction occurs when light waves pass from a less dense medium to a denser medium and bend toward the normal. (Positive)
  • The __________ of a lens or a curved mirror determines the extent to which it converges or diverges light waves. (Curvature)
  • __________ is the bending of a wave as it passes through an opening or around an obstacle. (Diffraction)
  • The amount of __________ experienced by a wave depends on the size of the obstacle or opening relative to the wavelength of the wave. (Diffraction)
  • Diffraction is more pronounced when the size of the obstacle or opening is __________ compared to the wavelength of the wave. (Similar)
  • The __________ of a wave affects the degree of diffraction it undergoes. (Wavelength)
  • The __________ is a measure of the extent to which a wave spreads out after passing through an opening or around an obstacle. (Diffraction pattern)
  • The __________ principle states that waves tend to spread out and fill in the regions behind obstacles or openings. (Huygens’)
  • __________ diffraction occurs when a wave passes through a small opening or around a small obstacle and produces a pattern of alternating dark and light regions. (Single-slit)
  • The __________ of the diffraction pattern produced by a single slit depends on the width of the slit and the wavelength of the wave. (Width)
  • The __________ diffraction pattern is characterized by a bright central maximum surrounded by alternating dark and light regions. (Single-slit)
  • The __________ diffraction pattern occurs when a wave passes through a narrow slit and produces a series of bright and dark regions. (Multi-slit)
  • The __________ of the diffraction pattern produced by multiple slits depends on the spacing between the slits and the wavelength of the wave. (Spacing)
  • The __________ diffraction pattern occurs when a wave encounters an obstacle with a sharp edge and produces a region of wave bending and spreading. (Edge)
  • The phenomenon of __________ diffraction occurs when waves pass through an aperture or around an obstacle with dimensions on the order of the wavelength, resulting in significant bending and spreading.  (Fresnel)

Importance Waves MCQs of Physics (Part-7)

See here more important questions of Waves mcqs for initial tests tests;

  • The phenomenon of __________ diffraction occurs when waves encounter an obstacle or opening with dimensions much larger than the wavelength, resulting in minimal bending and spreading. (Fraunhofer)
  • The __________ of a wave determines the extent of diffraction, with longer wavelengths experiencing more diffraction than shorter wavelengths. (Wavelength)
  • The __________ effect is the change in frequency or wavelength of a wave due to the relative motion between the source of the wave and the observer. (Doppler)
  • The Doppler effect is observed for waves such as sound, light, and __________ waves. (Electromagnetic.)
  • When the source of waves moves to the __________ of the observer, the observed frequency decreases. (Away)
  • The Doppler effect causes a change in the observed __________ waves. (Frequency)
  • The__________ effect is used to explain phenomena such as the change in pitch of a siren as it approaches and recedes. (Doppler)
  • The__________ effect is used in various applications such as radar, medical ultrasound and astrophysics. (Doppler)
  • The change in frequency or wavelength caused by the Doppler effect depends on the source and the observer. (Relative motion)
  • The __________ effect occurs because relative motion affects the number of wave crests reaching the observer per unit time. (Doppler)
  • The Doppler effect is stronger for waves with higher __________, such as higher frequencies or shorter wavelengths. (Frequencies)
  • The observed frequency of a wave traveling toward an observer is __________ than the actual frequency. (Higher)
  • The wave moving away from the observer is the true frequency by __________. (Lower)
  • The __________ frequency is the frequency of the wave measured by the observer at rest relative to the source. (True)
  • The frequency __________ is detected by the observer as it moves relative to the source frequency of the wave. (Observed)
  • The Doppler effect can be described by the equation: observed frequency = (velocity) wave velocity + observer velocity) / (wave velocity + source velocity) × true frequency. This equation applies to __________ motion. (Linear.)

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