Here we will provide you the 50+ MCQ Questions of Waves for NEET-UG. Waves is the chapter 15 in Class XI or Class 11 Physics NCERT Unit Waves NEET (conducted by NTA) is based on the NCERT book.
These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Waves NEET MCQ Questions with Answers.
Waves NEET MCQ
Which of the following is true about the amplitude of a wave?
a) It is the distance between two consecutive nodes.
b) It is the distance between two consecutive antinodes.
c) It is the maximum displacement of a particle from its equilibrium position.
d) It is the minimum displacement of a particle from its equilibrium position.
A sound wave in a medium with a frequency of 1000 Hz travels at a speed of 340 m/s. What is the wavelength of the wave?
a) 0.034 m
b) 0.34 m
c) 3.4 m
d) 34 m
Which of the following waves can be polarized?
a) Sound waves
b) Light waves
c) Water waves
d) All of the above
Two waves traveling in opposite directions interfere with each other to produce a standing wave. What is the phase difference between the two waves at a node?
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
The displacement of a particle in a wave is given by y = 2 sin (2πx/λ) cos (2πft), where x is the distance from the source, λ is the wavelength, f is the frequency, and t is the time. What is the maximum velocity of the particle?
a) 2πfλ
b) 2πf/λ
c) 4πfλ
d) 4πf/λ
A sound wave is described by the equation y = 5 sin (628t – 2x) where x and y are in metres and t is in seconds. What is the wavelength of the wave?
a) 1 m
b) 0.5 m
c) 2 m
d) 4 m
A string of length 50 cm is fixed at both ends. The lowest frequency at which it can vibrate in its fundamental mode is 200 Hz. What is the speed of the transverse wave on the string?
a) 200 m/s
b) 400 m/s
c) 100 m/s
d) 50 m/s
A wave of amplitude 2 cm and frequency 100 Hz is travelling in a medium. What is the maximum particle velocity in the wave?
a) 1 m/s
b) 2 m/s
c) 4π m/s
d) 2π m/s
Two waves of equal amplitudes and wavelengths λ and 2λ are superimposed. What is the phase difference between them at a point where the resultant amplitude is zero?
a) π/2
b) π
c) 3π/2
d) 2π
A wave of frequency 50 Hz has a velocity of 250 m/s. What is its wavelength?
a) 5 m
b) 2.5 m
c) 0.5 m
d) 0.05 m
Which of the following statements is NOT true about a longitudinal wave?
a) The particles of the medium move parallel to the direction of wave propagation.
b) Sound waves in air are longitudinal waves.
c) Compression and rarefaction occur in a longitudinal wave.
d) Light waves are longitudinal waves.
A wave with a frequency of 200 Hz has a wavelength of 1.5 m. What is the wave speed?
a) 133.3 m/s
b) 300 m/s
c) 30 m/s
d) 0.0075 m/s
Which of the following statements is NOT true about standing waves?
a) They are formed due to interference of two waves with the same frequency and amplitude traveling in opposite directions.
b) The points where the amplitude of the wave is maximum are called antinodes.
c) The points where the amplitude of the wave is minimum (or zero) are called nodes.
d) Standing waves always have a fixed frequency.
The displacement of a particle in a wave is given by y(x, t) = 0.1 sin(10πt – 5πx), where y is in meters, t is in seconds, and x is in meters. What is the amplitude of the wave?
a) 0.1 m
b) 5 m
c) 10 m
d) 0.5 m
Which of the following is a characteristic of a wave?
a) Wavelength
b) Speed
c) Amplitude
d) All of the above
Two waves, one of amplitude A and the other of amplitude 2A, superimpose to form a resultant wave. What is the amplitude of the resultant wave?
a) A
b) 2A
c) 3A
d) 4A
A string is fixed at both ends and set into vibration at its fundamental frequency. What is the number of antinodes formed in the string?
a) 0
b) 1
c) 2
d) 3
A wave is described by the equation y = a sin(kx – ωt). If the amplitude is doubled, what is the new equation of the wave?
a) y = 2a sin(kx – ωt)
b) y = a sin(2kx – 2ωt)
c) y = 2a sin(2kx – ωt)
d) y = 2a sin(kx – 2ωt)
A sound wave has a frequency of 500 Hz and a speed of 330 m/s in air. What is the wavelength of the wave?
a) 0.66 m
b) 0.67 m
c) 0.68 m
d) 0.69 m
In a double-slit experiment, the distance between the slits is halved while the distance between the screen and the slits is doubled. What is the effect on the fringe spacing?
a) It remains the same.
b) It doubles.
c) It is halved.
d) It becomes four times.
A transverse wave is traveling along a string. At a certain point on the string, the displacement of the string is zero. What can be said about the velocity of the wave at this point?
a) It must be zero
b) It can be zero or nonzero
c) It must be nonzero
Two identical tuning forks are struck simultaneously. One of them is then loaded with wax. The beats heard will:
a) remain unchanged
b) decrease in frequency
c) increase in frequency
Which of the following statements about standing waves on a string fixed at both ends is true?
a) The wave speed is zero at the nodes
b) The wavelength is twice the length of the string
c) The frequency of the fundamental mode is equal to the frequency of the first harmonic
A wave with a frequency of 10 Hz travels through a medium with a speed of 5 m/s. What is the wavelength of the wave?
a) 0.5 m
b) 2 m
c) 0.2 m
The speed of sound in air is 340 m/s. A tuning fork of frequency 512 Hz is struck and held near the opening of a long pipe that is closed at one end. The first harmonic is produced when the pipe is 85 cm long. What is the second harmonic?
a) 170 cm
b) 85 cm
c) 255 cm
In a Young’s double-slit experiment, the distance between the slits is d and the distance between the slits and the screen is D. If the distance between two consecutive maxima on the screen is λ, then the distance between the central maximum and the first minimum is:
a) λ/2
b) λ
c) 3λ/2
d) 2λ
A string of length 2L is fixed at both ends. What will be the frequency of the fundamental mode of vibration of this string if the velocity of transverse waves on the string is v?
a) v/L
b) v/2L
c) v/4L
d) v/8L
A wave is described by the equation y(x, t) = A sin(kx – ωt) where A, k, and ω are constants. The phase difference between two points on the wave, which are separated by a distance of λ/4, is:
a) π/4
b) π/2
c) π
d) 2π
Two identical strings, each of length L and linear mass density μ, are joined end-to-end. The tension in the composite string is T. If a wave is produced in the first string with a frequency f, then the frequency of the first overtone of the composite string is:
a) f/2
b) f
c) 2f
d) 4f
A wave is described by the equation y(x, t) = A cos(kx – ωt) where A, k, and ω are constants. The amplitude of the particle velocity of the wave is maximum when:
a) x = 0, t = 0
b) x = λ/4, t = 0
c) x = λ/2, t = 0
d) x = λ/4, t = T/4ω
We hope there NEET MCQ of Class 11 Waves will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students
