A tube is closed at one end

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

Problem

A tube is closed at one end. Its fundamental frequency is measured to be

200\,\text{Hz}

. Which set of frequencies below would all produce resonance in the same tube? (a)

400\,\text{Hz},\;800\,\text{Hz},\;1200\,\text{Hz}

(b)

200\,\text{Hz},\;600\,\text{Hz},\;1000\,\text{Hz}

(c)

200\,\text{Hz},\;500\,\text{Hz},\;800\,\text{Hz}

(d)

200\,\text{Hz},\;400\,\text{Hz},\;600\,\text{Hz}