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## MCQ (More than One Correct Answer)

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A source, approaching with speed u towards the open end of a stationary pipe of length L, is emitting a sound of frequen...
JEE Advanced 2021 Paper 2 Online
In an experiment to measure the speed of sound by a resonating air column, a tuning fork of frequency $$500$$ $$Hz$$ is ...
JEE Advanced 2018 Paper 2 Offline
A block $$M$$ hangs vertically at the bottom end of a uniform rope of constant mass per unit length. The top end of the ...
JEE Advanced 2017 Paper 1 Offline
Two loudspeakers M and N are located 20m apart and emit sound at frequencies 118 Hz and 121 Hz, respectively. A car in i...
JEE Advanced 2016 Paper 1 Offline
One end of a taut string of length 3 m along the x-axis is fixed at x = 0. The speed of the waves in the string is 100 m...
JEE Advanced 2014 Paper 1 Offline
A horizontal stretched string, fixed at two ends, is vibrating in its fifth harmonic according to the equation y(x, t) =...
JEE Advanced 2013 Paper 1 Offline
Two vehicles, each moving with speed u on the same horizontal straight road, are approaching each other. Wind blows alon...
JEE Advanced 2013 Paper 2 Offline

## Numerical

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A stationary tuning fork is in resonance with an air column in a pipe. If the tuning fork is moved with a speed of 2 ms−...
JEE Advanced 2020 Paper 1 (Offline)
A train S1, moving with a uniform velocity of 108 km/h, approaches another train S2 standing on a platform. An observer ...
JEE Advanced 2019 Paper 1 Offline
Two men are walking along a horizontal straight line in the same direction. The man in front walks at a speed $$1.0\,m{s... JEE Advanced 2018 Paper 1 Offline A stationary source emits sound of frequency$${f_0} = 492\,Hz.$$The sound is reflected by a large car approaching the ... JEE Advanced 2017 Paper 1 Offline Four harmonic waves of equal frequencies and equal intensities I0 have phase angles 0,$${\pi \over 3},{{2\pi } \over 3...
JEE Advanced 2015 Paper 2 Offline
When two progressive waves $${y_1} = 4\sin (2x - 6t)$$ and $${y_2} = 3\sin \left( {2x - 6t - {\pi \over 2}} \right)$$ a...
IIT-JEE 2010 Paper 1 Offline
A stationary source is emitting sound at a fixed frequency f0, which is reflected by two cars approaching the source. Th...
IIT-JEE 2010 Paper 1 Offline

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A musical instrument is made using four different metal strings, 1, 2, 3 and 4 with mass per unit length $$\mu$$, 2$$\m... JEE Advanced 2019 Paper 2 Offline A musical instrument is made using four different metal strings, 1, 2, 3 and 4 with mass per unit length$$\mu $$, 2$$\m...
JEE Advanced 2019 Paper 2 Offline
A student is performing the experiment of resonance Column. The diameter of the column tube is 4 cm. The frequency of th...
IIT-JEE 2012 Paper 2 Offline
Column I shows four systems, each of the same length L, for producing standing waves. The lowest possible natural freque...
IIT-JEE 2011 Paper 2 Offline
A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which refl...
IIT-JEE 2011 Paper 1 Offline
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 seco...
IIT-JEE 2010 Paper 2 Offline

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