Which one of the following pairs of frequencies will produce the slowest audible…

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

Which one of the following pairs of frequencies will produce the slowest audible beats when sounded together? (a)

400\ \text{Hz and}\ 410\ \text{Hz}

(b)

256\ \text{Hz and}\ 259\ \text{Hz}

(c)

300\ \text{Hz and}\ 308\ \text{Hz}

(d)

512\ \text{Hz and}\ 520\ \text{Hz}