Student Login

Home›Chapters›Wave Motion PYQs›Beats›Question 56

MHT CET 2019 (3 May, Shift 1) · Beats

Beats question from MHT CET 2019 (3 May, Shift 1)

Q56MHT CET 2019 · 3 MAY · SHIFT 1Easy

Beats

For formation of beats, two sound notes must have

Show answer and solution

Answer: (d)

Beats need a small frequency difference (nearly equal frequencies), not equal frequencies
Equal amplitudes give zero intensity at minima, so beats are clearly heard
So the answer is (d) nearly equal frequencies and equal amplitudes.

Report a mistake

More questions on Beats

The correct figure that shows, schematically, the wave pattern produced by superposition…JEE Main 2019 (10 Apr, Shift 2)
Two sitar strings, A and B, playing the note 'Dha' are slightly out of tune and produce…JEE Main 2018 (16 Apr, Shift 1)
5 beats / second are heard when a tuning fork is sounded with a sonometer wire under…JEE Main 2018 (15 Apr, Shift 2)
A tuning fork vibrates with frequency 256 Hz and gives one beat per second with the third…JEE Main 2018 (15 Apr, Shift 1)
Three sound waves of equal amplitudes have frequencies (n - 1), n, (n + 1). They…NEET 2016 (Phase 2)
When two sound waves travel in the same direction in a medium, the displacements of a…JEE Main 2013 (9 Apr, Shift 1)
A source of unknown frequency gives 4 beats/s when sounded with a source of known…NEET 2013
Two sources of sound placed close to each other, are emitting progressive waves given by…NEET 2012 (AIPMT, Prelims)