Waves questions
1337 published questions with worked solutions.
- A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental...
- Two strings (A, B) having linear densities _A = 2 10^ -4 kg/m and _B = 4 10^ -4 kg/m and lengths L_A = 2.5 m and L_B = 1.5 m...
- In an open organ pipe v_3 and v_6 are 3^ rd and 6^ th harmonic frequencies, respectively. If v_6-v_3 = 2200 Hz then length of the...
- The equation of the electric field of an electromagnetic wave propagating through free space is given by : E = 377 (6.27 10^3 t -...
- The velocity of sound in air is doubled when the temperature is raised from 0^ C to ^ C . The value of is
- The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths...
- The speed of a longitudinal wave in a metallic bar is 400 m/s. If the density and Young's modulus of the bar material are...
- Two tuning forks A and B are sounded together giving rise to 8 beats in 2 s. When fork A is loaded with wax, the beat frequency...
- A closed organ and an open organ tube filled by two different gases having same bulk modulus but different densities ρ1 and ρ2...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: A sound wave...
- A sinusoidal wave of wavelength 7.5 cm travels a distance of 1.2 cm along the x-direction in 0.3 sec. The crest P is at x = 0 at...
- In the resonance experiment, two air columns (closed at one end) of 100 cm and 120 cm long, give 15 beats per second when each...
- Consider the sound wave travelling in ideal gases of He, CH4 and CO2. All the gases have the same ratio P , where P is the...
- In an experiment with a closed organ pipe, it is filled with water by ( 1 5 )th of its volume. The frequency of the fundamental...
- Two strings with circular cross section and made of same material are stretched to have same amount of tension. A transverse wave...
- Displacement of a wave is expressed as x(t) = 5 (628t + 2 ) m. The wavelength of the wave when its velocity is 300 m/s is : ( =...
- The equation of a wave travelling on a string is y = sin [20πx + 10πt], where x and t are distance and time in SI units. The...
- A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose...
- A uniform string of length 20m is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts...
- A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in...
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