Oscillations and Waves-Standing Waves in Strings and Organ Pipes (NEET Physics): Questions 1 - 4 of 7

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

An open organ pipe is in resonance in its 2 nd harmonic with tuning fork of frequency f 1 now; it is closed at one end. If the frequency of the tuning fork is increased slowly from f l then again a resonance is obtained with a frequency f 2. If in this case the pipe vibrates n th harmonics then

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

The frequency of fundamental tone in an open organ pipe of length 0.48 m is 320 Hz. Speed of sound is 320 m/sec. Frequency of fundamental tone in closed organ pipe will

Choices

Choice (4) Response

a.

143.2 Hz

b.

320.0 Hz

c.

153.8 Hz

d.

160.0 Hz

Question number: 3

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude P 0 of the tube. If the atmospheric pressure is P A, then the ratio of maximum and minimum pressure at the closed end of the tube will be,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 4

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

The frequency of fundamental tone in an open organ pipe of length 0.48 m is 430 Hz. Speed of sound is 430 m/sec. Frequency of fundamental tone in closed organ pipe will

Choices

Choice (4) Response

a.

253.8 Hz

b.

260.0 Hz

c.

243.2 Hz

d.

215 Hz

f Page
Sign In