20 JEE Main 2023 Waves and Sound previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Waves and Sound chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Waves and Sound chapter hub.
A guitar string of length 90   cm vibrates with a fundamental frequency of 120   Hz . The length of the strin…
In an experiment with sonometer when a mass of 180   g is attached to the string, it vibrates with fundamental fre…
The equation of wave is given by Y = 10 - 2 sin 2 π 160 t - 0 . 5 x + π 4 , where x and Y are in m and t in s…
For a certain organ pipe, the first three resonance frequencies are in the ratio of 1 : 3 : 5 respectively. If the freq…
A transverse harmonic wave on a string is given by y x ,   t = 5   sin 6 t + 0 . 003 x where x and y are in c…
A car P travelling at 20   m   s - 1 sounds its horn at a frequency of 400   Hz . Another car Q is trave…
A person driving car at a constant speed of 15   m   s - 1 is approaching a vertical wall. The person notices…
For a solid rod, the Young's modulus of elasticity is 3 . 2 × 10 11   N   m - 2 and density is 8 ×…
The distance between two consecutive points with phase difference of 60 ° in a wave of frequency 500   Hz is…
The displacement equations of two interfering waves are given by y 1 = 10   sin   ω t + π 3  …
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