Flag Wave Motion> A copper rod of length 1.0 m is clamped a...
question mark

A copper rod of length 1.0 m is clamped at its middle point. Find the frequencies between 20 Hz and 20,000 Hz at which standing longitudinal waves can be set up in the rod. The speed of sound in copper is 3.8 km s-1.

Radhika Batra , 10 Years ago
Grade 11
anser 1 Answers
Kevin Nash

Last Activity: 10 Years ago

Sol. a) Here given l = 5 cm = 5 × 10^–2 m, v = 340 m/s ⇒ n = V/2l = 340/2 * 5 * 10^-2 = 3.4 KHz ⇒then the highest harmonic in the audible range (20 Hz – 20 KHz) = 20000/3400 = 5.8 = 5 (integral multiple of 3.4 KHz).

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...