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Waves Practice Questions

Class 11 · Physics · 1484 free MCQs with instant results and detailed explanations.

1484
Total
585
Easy
685
Medium
214
Hard

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Topics in Waves

Superposition 289
Speed of Sound 284
Transverse and Longitudinal Waves 332
Standing Waves 218
Doppler Effect 138
Beats 223

Sample Questions from Waves

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
What type of wave is a sound wave in air?
A. Transverse
B. Longitudinal
C. Surface
D. Electromagnetic
Show Answer & Explanation
Correct Answer: B
Sound waves are vibrations in air that propagate as compressions and rarefactions, characteristic of longitudinal waves.
Q2
Easy
In which type of wave do particles of the medium move perpendicular to the direction of wave propagation?
A. Longitudinal Waves
B. Transverse Waves
C. Surface Waves
D. Mechanical Waves
Show Answer & Explanation
Correct Answer: B
In transverse waves, such as those on a string, the particles move perpendicular to the wave's direction of travel.
Q3
Easy
What is the distance between two consecutive crests in a transverse wave called?
A. Wavelength
B. Amplitude
C. Frequency
D. Period
Show Answer & Explanation
Correct Answer: A
The distance between two consecutive crests represents the wavelength of the wave.
Q4
Medium
In a longitudinal wave, the regions where particles are closest together are called:
A. Crests
B. Troughs
C. Rarefactions
D. Compressions
Show Answer & Explanation
Correct Answer: D
In longitudinal waves, compressions are regions where particles are densely packed, while rarefactions are regions where they are spread apart.
Q5
Medium
The speed of a wave is determined by which of the following parameters?
A. Frequency and wavelength
B. Amplitude and frequency
C. Wavelength and amplitude
D. Frequency and energy
Show Answer & Explanation
Correct Answer: A
Wave speed is calculated using the formula speed = frequency × wavelength, connecting these two parameters.
Q6
Medium
What type of wave involves the displacement of the medium parallel to the direction of wave propagation?
A. Transverse wave
B. Longitudinal wave
C. Surface wave
D. Electromagnetic wave
Show Answer & Explanation
Correct Answer: B
In longitudinal waves, the medium's displacement occurs parallel to the direction of the wave, as seen in sound waves.
Q7
Medium
A wave travels with a speed of 340 m/s and has a frequency of 170 Hz. What is its wavelength?
A. 1.0 m
B. 2.0 m
C. 3.0 m
D. 4.0 m
Show Answer & Explanation
Correct Answer: B
Wavelength can be calculated using the formula λ = v / f. Substituting gives λ = 340 m/s / 170 Hz = 2 m.
Q8
Hard
What is the phase difference between two points on a transverse wave that are one wavelength apart?
A. 0 degrees
B. 90 degrees
C. 180 degrees
D. 360 degrees
Show Answer & Explanation
Correct Answer: D
The phase difference between two points on a wave that are one wavelength apart is 360 degrees, indicating they are in phase.
Q9
Hard
In a longitudinal wave, which of the following represents the regions of maximum compression?
A. Crests
B. Troughs
C. Nodes
D. Compressions
Show Answer & Explanation
Correct Answer: D
In a longitudinal wave, compressions are the regions where particles are closest together, representing maximum density.
Q10
Hard
Which of the following statements best describes a transverse wave?
A. Particles move parallel to wave direction
B. Particles move perpendicular to wave direction
C. Particles remain stationary
D. Energy is transferred without particle movement
Show Answer & Explanation
Correct Answer: B
In a transverse wave, particles of the medium move perpendicular to the direction of wave propagation.

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Waves — Class 11 Physics Practice Questions Online

This page contains 1484 practice MCQs for the chapter Waves in Class 11 Physics. The questions are organized by difficulty — 585 easy, 685 medium, 214 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 6 topics, giving you comprehensive coverage of the entire chapter.