Mht Cet
Waves
MHT CET 2024 15th May Morning Shift
MCQ+1 / -02024
An open organ pipe of length ' $l$ ' is sounded together with another open organ pipe of length $\left(l+l_1\right)$ in their fundamental modes. Speed of sound in air is ' $V$ '. The beat frequency heard will be ( $\left.l_1< < l\right)$