MHT-CET Superposition of Waves — practice questions
56 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice MHT-CET Superposition of Waves in the app →Two equal-amplitude waves meet with a phase difference of pi radian. The resultant amplitude is:Waves of amplitudes 3 cm and 5 cm interfere. What is the ratio Imax : Imin?Two waves of amplitudes 4 mm and 3 mm meet exactly out of phase. The resultant amplitude is:The intensity of a wave is directly proportional to its:A compression travelling from a rarer to a denser medium is reflected as a:Active noise cancellation headphones work by adding a wave called:Which type of mechanical wave can travel through a fluid?A mechanical wave travelling through a medium transfers:Which kind of wave does not need a material medium to propagate?A wave is written y = A sin(kx - wt). Its wave number k equals:For y = A sin(kx - wt), the speed of the wave is given by:The wave y = A sin(kx + wt) travels:A stationary wave is produced by superposing two identical waves that travel:In a stationary wave, points that do not move at all are called:The distance between two consecutive nodes of a stationary wave is:A stationary wave on a string has frequency 64 Hz and wave speed 48 m/s. Successive nodes are how far apart?A stationary wave has wavelength 2 m. A node and the nearest antinode are separated by:Particles at the antinodes of a stationary wave vibrate with:In a stationary wave the amplitude of vibration:A pure stationary wave transports energy:Particles in adjacent loops of a stationary wave differ in phase by:The frequency at which a body vibrates when disturbed and left alone is its:In free vibrations of a body, after the initial displacement:At the closed end of an air column there is:The end correction at an open end of a pipe of inner diameter d is about:A pipe has an inner diameter of 5 cm. Its end correction at one open end is:For a pipe open at both ends, the corrected length of the air column L is:The fundamental mode of a pipe closed at one end has a wavelength equal to:The wavelength of the fundamental mode of an open pipe of air column length L is:Which harmonics are present in the sound of a pipe open at both ends?A closed pipe is 0.85 m long. With v = 340 m/s (ignore end correction), its fundamental frequency is:A closed pipe has fundamental frequency 100 Hz. Its next higher mode has frequency:The wavelength of the fundamental mode of a string of length l fixed at both ends is:Per the law of length, a string's fundamental frequency is inversely proportional to its:The fundamental frequency of a vibrating string is directly proportional to the:A string's fundamental frequency varies with its mass per unit length m as:The tension in a stretched wire is made four times. Its fundamental frequency becomes:The vibrating length of a sonometer wire is halved at constant tension. Its frequency:A wire 0.5 m long fixed at both ends carries waves at 225 m/s. Its fundamental frequency is:For a string fixed at both ends, the ratio of first to second harmonic frequency is:A string fixed at both ends gives frequencies n, 2n, 3n and so on. Its harmonics present are:What is the role of the hollow wooden box in a sonometer?In a sonometer, the light rider on the wire falls off when the wire vibrates:The periodic variation of sound intensity caused by two waves of slightly different frequency is called:Beats are produced when two sound waves have:The beat frequency of two tones of frequencies n1 and n2 equals:In the study of beats, the instants of maximum intensity are called:One beat consists of:Musicians tune two instruments until the beat frequency becomes:In a seiche, a standing wave appears in:Two opposite waves of unequal amplitude meet. At the nodes the amplitude is:A laser cavity uses standing waves formed between:The faintest sound a human can hear has a pressure variation of about:Which set lists the three characteristics of sound?Stringed instruments like the violin and tanpura work on the principle of:A stationary wave on a string is y = 2a cos(kx) sin(wt). All particles pass their mean positions: