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Waves MDCAT MCQs with Answers

Waves MDCAT MCQs

Welcome to the Waves MDCAT MCQs with Answers. In this post, we have shared Waves Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Waves MCQs in this MDCAT Online Test.

Waves MDCAT MCQs Test Preparations

What is the basic unit of a wave?
a) Amplitude
b) Wavelength
c) Frequency
d) Wavefront

Answer
b) Wavelength

The distance between two consecutive crests of a wave is called:
a) Frequency
b) Wavelength
c) Amplitude
d) Wave speed

Answer
b) Wavelength

Which type of wave requires a medium to travel?
a) Electromagnetic waves
b) Light waves
c) Sound waves
d) X-rays

Answer
c) Sound waves

The number of complete waves passing a point in one second is called:
a) Wavelength
b) Amplitude
c) Frequency
d) Wave speed

Answer
c) Frequency

If the frequency of a wave is doubled, what happens to the wavelength?
a) It doubles
b) It halves
c) It stays the same
d) It quadruples

Answer
b) It halves

What is the speed of a wave if its frequency is 10 Hz and its wavelength is 5 m?
a) 50 m/s
b) 5 m/s
c) 10 m/s
d) 2 m/s

Answer
a) 50 m/s

The highest point of a transverse wave is called:
a) Trough
b) Crest
c) Compression
d) Rarefaction

Answer
b) Crest

In which type of wave do particles of the medium move perpendicular to the direction of wave propagation?
a) Longitudinal waves
b) Mechanical waves
c) Transverse waves
d) Surface waves

Answer
c) Transverse waves

In a longitudinal wave, the regions where the particles are closest together are called:
a) Troughs
b) Crests
c) Compressors
d) Compressions

Answer
d) Compressions

The phenomenon where two waves interfere to form a wave with a larger amplitude is called:
a) Destructive interference
b) Constructive interference
c) Diffraction
d) Refraction

Answer
b) Constructive interference

The property of a wave that determines its pitch is:
a) Amplitude
b) Frequency
c) Wavelength
d) Speed

Answer
b) Frequency

Which of the following is an example of a transverse wave?
a) Sound wave
b) Water wave
c) Seismic P-wave
d) Ultraviolet wave

Answer
b) Water wave

The bending of waves around obstacles and openings is known as:
a) Reflection
b) Diffraction
c) Refraction
d) Dispersion

Answer
b) Diffraction

When a wave passes from one medium to another, its:
a) Speed remains constant
b) Frequency changes
c) Wavelength changes
d) Amplitude remains constant

Answer
c) Wavelength changes

The angle of incidence is equal to the angle of reflection according to:
a) Snell’s Law
b) Huygens Principle
c) Law of Reflection
d) Law of Refraction

Answer
c) Law of Reflection

The amount of energy a wave carries per unit area is called:
a) Intensity
b) Amplitude
c) Frequency
d) Wavelength

Answer
a) Intensity

The phenomenon where a wave changes direction as it enters a different medium is known as:
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion

Answer
b) Refraction

In which type of wave do particles of the medium move parallel to the direction of wave propagation?
a) Transverse waves
b) Longitudinal waves
c) Surface waves
d) Electromagnetic waves

Answer
b) Longitudinal waves

What is the unit of frequency?
a) Meter
b) Second
c) Hertz
d) Newton

Answer
c) Hertz

The phenomenon where a wave changes its speed and direction upon passing through different mediums is called:
a) Reflection
b) Diffraction
c) Refraction
d) Absorption

Answer
c) Refraction

The lowest point of a transverse wave is known as:
a) Crest
b) Compression
c) Rarefaction
d) Trough

Answer
d) Trough

A wave with a frequency of 20 Hz and a wavelength of 0.5 m will have a speed of:
a) 10 m/s
b) 20 m/s
c) 30 m/s
d) 40 m/s

Answer
b) 10 m/s

The principle stating that every point on a wavefront may be considered a source of secondary wavelets is known as:
a) Snell’s Law
b) Huygens’ Principle
c) Newton’s Law
d) Archimedes’ Principle

Answer
b) Huygens’ Principle

The wave property that describes the distance from the equilibrium position to the crest or trough is:
a) Frequency
b) Wavelength
c) Amplitude
d) Speed

Answer
c) Amplitude

The change in direction of a wave when it encounters a barrier or an edge is known as:
a) Reflection
b) Diffraction
c) Refraction
d) Interference

Answer
b) Diffraction

The frequency of a wave is measured in:
a) Meters
b) Seconds
c) Hertz
d) Newtons

Answer
c) Hertz

The relationship between wave speed, frequency, and wavelength is given by:
a) v = λ * f
b) v = λ / f
c) v = f / λ
d) v = λ + f

Answer
a) v = λ * f

In which type of wave does energy propagate through compressions and rarefactions?
a) Transverse waves
b) Electromagnetic waves
c) Longitudinal waves
d) Surface waves

Answer
c) Longitudinal waves

The wave phenomenon responsible for the colors of a rainbow is:
a) Refraction
b) Reflection
c) Diffraction
d) Absorption

Answer
a) Refraction

A wave travels through a medium at a speed of 20 m/s. If its frequency is 4 Hz, what is its wavelength?
a) 5 m
b) 10 m
c) 20 m
d) 40 m

Answer
a) 5 m

The process by which a wave is bounced back after hitting a surface is called:
a) Diffraction
b) Reflection
c) Refraction
d) Absorption

Answer
b) Reflection

The phenomenon where two waves combine to form a wave of smaller amplitude is called:
a) Constructive interference
b) Destructive interference
c) Diffraction
d) Reflection

Answer
b) Destructive interference

When a wave passes from air into water, what happens to its frequency?
a) It increases
b) It decreases
c) It remains the same
d) It disappears

Answer
c) It remains the same

The maximum distance that particles in a wave move from their rest position is called:
a) Frequency
b) Wavelength
c) Amplitude
d) Speed

Answer
c) Amplitude

The speed of sound in air is approximately:
a) 150 m/s
b) 300 m/s
c) 340 m/s
d) 500 m/s

Answer
c) 340 m/s

The bending of a wave around an obstacle or through an opening is known as:
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion

Answer
c) Diffraction

Which wave phenomenon causes a straw in a glass of water to appear bent?
a) Reflection
b) Refraction
c) Diffraction
d) Interference

Answer
b) Refraction

The change in direction of a wave due to a change in medium is known as:
a) Reflection
b) Diffraction
c) Refraction
d) Absorption

Answer
c) Refraction

The principle stating that the incident wave, reflected wave, and transmitted wave all lie in the same plane is known as:
a) Law of Reflection
b) Huygens’ Principle
c) Snell’s Law
d) Fermat’s Principle

Answer
a) Law of Reflection

The speed of electromagnetic waves in a vacuum is approximately:
a) 3 x 10^6 m/s
b) 3 x 10^8 m/s
c) 3 x 10^10 m/s
d) 3 x 10^12 m/s

Answer
b) 3 x 10^8 m/s

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