Physics
General
Easy
Question
An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz than the fundamental frequency of the open pipe What is the fundamental frequency of the open pipe?
- 240
- 200
- 300
- 480
The correct answer is: 200
Related Questions to study
physics
A tube, closed at one end and containing air, produces, when excited, the fundamental note of frequency 512Hz If the tube is opened at both ends what is the fundamental freuency that can be excited (in Hz )?
A tube, closed at one end and containing air, produces, when excited, the fundamental note of frequency 512Hz If the tube is opened at both ends what is the fundamental freuency that can be excited (in Hz )?
physicsGeneral
physics
A sphere, a cube and a thin circular plate are all made of the same material, have the same mass and are initially heated to a temperature of 
Arrange then in the ascending order of rate of cooling
A sphere, a cube and a thin circular plate are all made of the same material, have the same mass and are initially heated to a temperature of Arrange then in the ascending order of rate of cooling
physicsGeneral
physics
t is the units of emissive power in Stefan’s law ?
t is the units of emissive power in Stefan’s law ?
physicsGeneral
physics
A body cools in 5 minute from 
to 
. The termperature of the surroundings is 
. What is its temperature after the next 5 minute?
A body cools in 5 minute from to . The termperature of the surroundings is . What is its temperature after the next 5 minute?
physicsGeneral
physics
Two spheres of the same material have radii 1 m and 4m and temperatures 2000k and 4000k respectively. If the energy radiated by the spheres are 
respectively then find ratio of
Two spheres of the same material have radii 1 m and 4m and temperatures 2000k and 4000k respectively. If the energy radiated by the spheres are respectively then find ratio of
physicsGeneral
physics
A liquid takes 5 minute to cool from 
to 
. The temperature of the surrounding is 
. What is the time it will take to cool from 
?
A liquid takes 5 minute to cool from to . The temperature of the surrounding is . What is the time it will take to cool from ?
physicsGeneral
physics
A bubble of air 2 mm in diameter rises in a liquid of viscosity 0.075 SI units and density ,1350 kg
. The terminal velocity of the bubble is about..........,m/s
A bubble of air 2 mm in diameter rises in a liquid of viscosity 0.075 SI units and density ,1350 kg . The terminal velocity of the bubble is about..........,m/s
physicsGeneral
physics
The terminal velocity of fall of lead shots in the cylindrical vessel is influenced by the nearness of the walls of the vessel. Hence the velocity in formula is divided by a factor 
. Where r is the radius of the lead shots and the radius of the vessel. This is called
The terminal velocity of fall of lead shots in the cylindrical vessel is influenced by the nearness of the walls of the vessel. Hence the velocity in formula is divided by a factor . Where r is the radius of the lead shots and the radius of the vessel. This is called
physicsGeneral
chemistry-
Which of the following can adsorb largest volume of hydrogen gas
Which of the following can adsorb largest volume of hydrogen gas
chemistry-General
chemistry-
Hydrogen from HCl can be prepared by
Hydrogen from HCl can be prepared by
chemistry-General
chemistry-
Action of water or dilute mineral acids on metals can give
Action of water or dilute mineral acids on metals can give
chemistry-General
chemistry-
Ortho and para hydrogen differ in
Ortho and para hydrogen differ in
chemistry-General
chemistry-
Hydrogen resembles in many of its properties
Hydrogen resembles in many of its properties
chemistry-General
chemistry-
Which of the following reaction produces hydrogen
Which of the following reaction produces hydrogen
chemistry-General
chemistry-
Among the following, identify the compound which cannot act as both oxidising and reducing agents
Among the following, identify the compound which cannot act as both oxidising and reducing agents
chemistry-General
