Waves questions
1337 published questions with worked solutions.
- A wire having a linear mass density 9.0 10^ -4 kg/m is stretched between two rigid supports with a tension of 900 N. The wire...
- The percentage increase in the speed of transverse waves produced in a stretched string if the tension is increased by 4%, will...
- A linearly polarized electromagnetic wave in vacuum is E=3.1 [(1.8)z-(5.4 10^6)t] i N/C is incident normally on a perfectly...
- Two waves are simultaneously passing through a string and their equations are : y_1=A_1 k(x-vt), y_2=A_2 k(x-vt+x_0). Given...
- A source and a detector move away from each other in absence of wind with a speed of 20 m/s with respect to the ground. If the...
- Two travelling waves produces a standing wave represented by equation, y = 1.0 mm cos(1.57 cm^ -1 ) x (78.5s^ -1 )t. The node...
- A tuning fork A of unknown frequency produces 5 beats/s with a fork of known frequency 340 Hz. When fork A is filed, the beat...
- The mass per unit length of a uniform wire is 0.135 g/cm. A transverse wave of the form y = –0.21 sin (x + 30t) is produced in...
- The equations of two waves are given by : y_ 1 = 5 sin 2 (x - vt) cm, y_ 2 = 3 sin 2 (x − vt + 1.5) cm. These waves are...
- Two travelling waves of equal amplitudes and equal frequencies move in opposite directions along a string. They interfere to...
- An observer is riding on a bicycle and moving towards a hill at 18 kmh^ -1 . He hears a sound from a source at some distance...
- The first overtone frequency of an open organ pipe is equal to the fundamental frequency of a closed organ pipe. If the length of...
- A transverse wave is represented by y = 2 ( t - kx) cm. The value of wavelength (in cm) for which the wave velocity becomes equal...
- When a car is approaching the observer, the frequency of horn is 100 Hz. After passing the observer, it is 50 Hz. If the observer...
- For a specific wavelength 670 nm of light from a galaxy moving with velocity v, the observed wavelength is 670.7 nm. The value of...
- A set of 20 tuning forks is arranged in a series of increasing frequencies. If each fork gives 4 beats with respect to the...
- A steel wire with mass per unit length 7.0 10^ -3 kg m^ -1 is under tension of 70 N. The speed of transverse waves in the wire...
- When two progressive waves y_1 = 4 (2x - 6t) and y_2 = 3 (2x - 6t - 2 ) are superimposed, the amplitude of the resultant wave is
- A stationary source is emitting sound at a fixed frequency f_0, which is reflected by two cars approaching the source. The...
- A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating in its second...
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