Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Waves and Sound

Olympiad workbook · NSEP · Waves and Sound

A vibrator of frequency f is placed near one end of a long...

A vibrator of frequency ff is placed near one end of a long cylindrical tube. The tube is fitted with a movable piston at the other end. An observer listens to the sound through a side opening. As the piston is moved through 8.75 cm , the intensity of sound recorded by the observer changes from a maximum to a minimum. If the speed of sound in air is 350 m/s350 \mathrm{~m} / \mathrm{s}, the frequency ff is

Options

  1. A500 Hz
  2. B1000 Hz
  3. C2000 Hz
  4. D4000 Hz

Correct answer

B. 1000 Hz

Step-by-step solution

No Solution
Practice Waves and Sound on Quantrex Academy →

More from Waves and Sound

Two wires made of the same material, one thick and the other thin, are connected to form… Olympiad workbookTwo identical loudspeakers, placed close to each other inside a room, are supplied with… Olympiad workbookThe frequency of the sound produced by a siren increases from 400 Hz to 1200 Hz while its… Olympiad workbookTwo factories are sounding their sirens at 400 Hz each. A man walks from one factory… Olympiad workbookA whistle whose air column is open at both ends has a fundamental frequency 500 Hz . The… Olympiad workbookA man stands at rest in front of a large wall. A sound source of frequency 400 Hz is… Olympiad workbookIn a stationary wave Olympiad workbookAn empty earthen pitcher is kept under a water tap and starts filling with water as the… Olympiad workbook Full Waves and Sound list All Olympiad workbook PYQs